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Window alarm sensors

Sensors & Sirens

Sensors & Sirens

Ring Alarm Contact Sensor (2nd Gen)

Z-Wave, Battery, Motion, Door/Window

from

£14.99

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Yale Indoor Motion Sensor

Battery, Alarm, Motion, Temperature, Door/Window, Vibration

from

£32.95

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TP-Link Tapo T300 Water Leak Sensor

Battery, Water leakage, Temperature, Door/Window, Humidity

from

£19.94

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Nedis Door Entry Motion Alarm

Battery, Motion, Door/Window

from

£12.08

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HIKvision DS-PDWL-E-WE

Alarm, Smoke, Motion, Water leakage, Temperature, Door/Window

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£111.49

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Recessed Wired Security Alarm Window Sensors - Automatic & Reliable 5 Pack

£13.99

at eBay

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4 Pack Wireless Window Alarm Sensors & Door Sensors, Home White

£11.08

at eBay

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Home Security Alarm System Window Alarm Sensors Loud Alerts Smart Design Power Saving Burglar Bell Alarm for Door Windows Kids Safety Easy

£28.78

at OnBuy

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Door Alarm Sensor, Window Alarm Sensors, 2-in-1 Alarm & Chime, 3-level Volume Control, Door Sensor Alarm for Home Security, Wireless Burglar Alarms

£18.00

at OnBuy

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Home Intelligent Voice Reminder Door Alarm When Opened With Remote Window Alarm Sensors Pink For Home Elderly Safety

£22.48

at OnBuy

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Vibration Sensor Smart WiFi Window Alarm Sensors For Window Security And Door Alarm

£39.08

at OnBuy

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Wireless Door Window Alarm Kit 10 Sensors 120dB Siren Battery Powered Home Security System

£48.92

at OnBuy

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10 Pack Door Window Alarm Sensors with 120dB Loud Siren, Battery Powered Magnetic Entry Detection for Home Security

£73.83

at OnBuy

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Pack of 10 Wired Door and Window Magnetic Alarm Sensors for Home Security and Alarm Panels

£36.25

at OnBuy

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Door Alarm with Remote 2 Pack, Door Chime for Business When Entering, 130db Window Alarm Sensors for Kids Safety Home Security, Adjustable Volume

£26.44

at OnBuy

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Door Alarm Sensor, Mini Window Alarm Sensors, Door Sensor Alarm for Home Security Systems with Quick Loud 100dB Ring

£33.02

at OnBuy

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Burglar Bell Alarm Door Alarms for Kids Safety Loud Alerts Power Saving Smart Design Window Alarm Sensors Home Security DIY Protection Prevent Any

£40.11

at OnBuy

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3 Pack 433MHz Wireless Door Window Alarm Sensors Compatible with A103F A105F A107F Home Security

£35.64

at OnBuy

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10Pack Door and Window Alarm Sensors with 120dB Siren, Battery Powered, Easy PeelStick Install

£48.92

at OnBuy

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10Piece Door Window Alarm Sensors with 120dB Loud Siren, Battery Operated Home Security Kit

£52.34

at OnBuy

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Wireless Home Security System with 120dB Loud Siren, WiFi Door and Window Alarm Sensors, Remote Control

£93.84

at OnBuy

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Alarm Signal Repeater, Wireless Home Security System Range Extender, 500m Coverage, 433MHz Frequency, Through-Wall Signal Booster, for Door Window Sensors, PIR Detectors, Burglar Alarms

£28.88

at Amazon Marketplace

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Door Alarms When Opened, 6 Pack Window Alarm for Home Security, 120db Magnetic Burglar Sensors for House, Shop, Office, Garage

£28.99

at Amazon.co.uk

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Door Window Sensors 433MHz for Home Security Alarm System Home Burglar6966

£27.59

at eBay

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TECKNET Door Alarm Sensor, Mini Window Sensors, Sensor for Home Security Syst...

£35.81

at eBay

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WiFi Door and Window Sensors,Tuya Smart Alarm with Free Notification APP Control

£20.24

at eBay

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Door Alarm Sensor, Window Alarms Sensors, 2-in-1 Alarm & Chime, 3-level

£19.87

at eBay

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WiFi Door and Window Sensors,Tuya Smart Alarm with Free Notification APP Contro

£22.69

at eBay

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Ostaniot 433MHz eV1527 Wireless Glass Break Vibration Sensors Door Window Alarm Detector Anti Theft For Home Security Kit

£5.34

at AliExpress

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KERUI Wireless Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-theft Burglar Alarm for Home Window Door Bike Bag Security

£7.24

at AliExpress

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KERUI Wireless Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-theft Burglar Alarm for Home Window Door Bike Bag Security

£7.21

at AliExpress

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Home Security Alarm System Wireless PIR Door Window Sensors Programmable KeyPad alarm chime delay mode

£11.78

at AliExpress

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1pc Home Security Alarm System Wireless PIR Door Window Sensors Programmable KeyPad alarm chime delay mode

£5.94

at AliExpress

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KERUI 115db DIY Wireless Home Security System,Indoor Outdoor Weather-Proof Siren,Window Door Sensors Motion Sensor,Shed Garage Alarm with Remote

£48.94

at OnBuy

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GSM+WiFi Wireless Alarm System with Motion & Door/Window Sensors

£95.50

at OnBuy

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Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar for Home Window Door Bike Bag Security Red

£8.61

at OnBuy

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KERUI W181 WiFi GSM Alarm System with Tuya Smart App - Alexa Compatible Home Security Kit with Motion Detector, Door/Window Sensors, Siren, and IP Ca

£766.16

at OnBuy

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Wireless Door Alarm and Window Sensors with Remote Control, Magnetic Security, 105dB Loud Alert

£48.74

at OnBuy

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Audible Home Alarm, Smart Water Leak Sensor for Timely Flood Alerts, Wireless Security Detector with Integrated Door/Window Sensors, Glass Break Senso

£40.94

at OnBuy

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Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar Alarm for Home Window Door Bike Bag Security Black

£7.98

at OnBuy

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Audible Home Alarm, Smart Water Leak Sensor for Timely Flood Alerts, Wireless Security Detector with Integrated Door/Window Sensors, Glass Break

£23.03

at OnBuy

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Door Window Alarm with 120dB Loud Siren, Battery Powered, Easy Install Home Security Alarm Sensors

£48.92

at OnBuy

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Flintronic 4 Pack Window Alarm, 130dB Ultra Slim Vibration Alarm Sensors, Glass Break Security Alert, Detects Glassbreak & Vibration, Suitable for

£31.66

at OnBuy

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Metal Wired Magnetic Door Window Contact Sensor Switch Door Window Sensors Detector for Home Security Alarm System

£21.09

at OnBuy

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Smart Home Security System Loud Door Window Alarm With Adjustable Sound, Ultra Slim Wireless Sensors Compatible With Alexa Google Assistant, Easy

£13.70

at OnBuy

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Home Security System 12âPiece Kit, Smart WiFi Alarm with Door Window Motion Sensors, APP Alerts, Loud Siren, Works with Alexa, No Monthly Fees

£209.14

at OnBuy

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Home Security Alarm Systems with Door/Window Sensors,Motion Detector,4G/Tuya App Alerts, for Villa,Apartment,House EU Plug

£197.75

at OnBuy

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Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar Alarm for Home Window Door Bike Bag Security Black

£8.82

at OnBuy

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Yale HSA Essentials Alarm Kit, Battery Powered, 5 Piece Kit, Self Monitored, No Contract, Wireless, PIR Movement Sensors, Door/Window Sensor External

£126.35

at OnBuy

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Window Alarm 5 Pack, 125dB Loud Glass Break Sensors, Window Alarms for Security, Detects Glassbreak & Vibration, with Adjustable Sensitivity, Fit for Any Window for Indoor Home Office Safety

£27.19

at Amazon.co.uk

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TECKNET Door Alarm Sensor, Window Alarms Sensors, 2-in-1 Alarm & Chime, 3-level Volume Control, Door Sensor for Home Security, Wireless Burglar Alarms for House, Shop, Office, Garage (3 PCS)

£13.99

at Amazon.co.uk

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SANJIE Wireless Door Alarm Sensor Chime, 500FT Operating Range 55 Ringtones 5 Volume Level with LED Indicator,Window Alarm for Home Store Office Security When Opens,2 UK Plug in Receivers 2 Sensors

£29.98

at Amazon.co.uk

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1 Pack Door and Window Sensors, Wireless Alarm Systems with APP Alert, B68R

£9.34

at Amazon.co.uk

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TECKNET Door Alarm Sensor, Window Alarms Sensors, 2-in-1 & Chime, White

£19.36

at eBay

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WiFi Door and Window Sensors,Tuya Smart Alarm with Free Notification White

£19.35

at eBay

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Zigbee Tuya Smart Home Burglar Alarm Real-time Smart Magnetic Door Window Sensors Alarms Alexa Google Home

£10.64

at AliExpress

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WiFi Door and Window Sensors,Tuya Smart Alarm with Free Notification APP Control Home Security Alarm System, No Hub Required,Compatible with Alexa,

£25.95

at OnBuy

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Wireless Window Door Sensors White Window Alarm Door Alarm Smart Accessories 2 Pack

£48.07

at OnBuy

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Window Alarm 5 Pack, 125DB Loud Glass Break Sensors, Detects Glassbreak & Vibration, with Adjustable Sensitivity, Fit for Any Window for Indoor Home

£37.11

at OnBuy

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WiFi Door and Window Sensors,Tuya Smart Alarm with Free Notification APP Control Home Security Alarm System, No Hub Required,Compatible with Alexa,

£74.99

at OnBuy

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Wireless Window Door Sensors White Window Alarm Door Alarm Smart Accessories 2 Pack

£46.29

at OnBuy

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Alarm Security System for Home, WIFI Wireless with APP Alert and Calling Alarms, 16-Pcs kit: Hub 120DB, Door,Window Sensors, Anti-pet PIR,

£159.01

at OnBuy

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security alarm system diy kit with door window motion sensors siren

£16.60

at OnBuy

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GSM+WiFi Wireless Alarm System with Motion & Door/Window Sensors

£95.50

at OnBuy

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Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar for Home Window Door Bike Bag Security Black

£8.52

at OnBuy

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2 Sets WiFi Door Sensors, Wireless Window Detector with Real-time Alarm, Compatible with Home Security Systems for Business Burglar Alert

£35.19

at OnBuy

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Yale HSA Essentials Alarm Kit, Battery Powered, 5 Piece Kit, Self Monitored, No Contract, Wireless, PIR Movement Sensors, Door/Window Sensor External

£139.82

at OnBuy

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Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar Alarm for Home Window Door Bike Bag Security Black

£4.41

at OnBuy

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Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar Alarm for Home Window Door Bike Bag Security Red

£8.39

at OnBuy

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Door Alarms When Opened, 6 Pack Window Alarm for Home Security, 120db Magnetic Burglar Sensors for House, Shop, Office, Garage

£46.87

at OnBuy

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Wireless Alarm Signal Repeater, Home Security System Range Extender, 433MHz Signal Booster, for Door/Window Sensors and Motion Detectors

£26.88

at Amazon Marketplace

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Flintronic 4 Pack Window Alarm, 130dB Ultra Slim Vibration Alarm Sensors, Glass Break Security Alert, Detects Glassbreak & Vibration, Suitable for Home, Office, Dorm Room, RV

£16.99

at Amazon.co.uk

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Hapippofa Smart Home Security Systems - 9-Piece Wireless Alarm Kit,Mobile App Alerts,4 Door/Window Sensors,2 Motion Detectors & 2 Remotes for Home,Garage,RV (2.4GHz WiFi,No Monthly Fee)

£30.99

at Amazon.co.uk

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Window Alarm 5 Pack, 125dB Loud Glass Break Sensors, Window Alarms for Security

£39.14

at eBay

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Door Window Sensors 433MHz for Home Security Alarm System Home Burglar7605

£25.19

at eBay

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KERUI Wireless Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-theft Burglar Alarm for Home Window Door Bike Bag Security

£7.24

at AliExpress

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FUERS Alarm System For Home Security Wireless Burglar Security System Door Window Sensors Motion Detector Work With Tuya Smart

£89.76

at AliExpress

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Hidden Door Sensors Detector Window Security Contact Switch for Home Security & Burglar Alarm Systems Low False Alarm

£24.79

at OnBuy

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Pack of 8 Magnetic Door and Window Security Entry Alarm System WirelessMini Alarms Burglar Intruder Entry Warning Sensors White (Battery Included)

£19.32

at OnBuy

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Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar for Home Window Door Bike Bag Security Black

£8.17

at OnBuy

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Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar for Home Window Door Bike Bag Security Black

£8.74

at OnBuy

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GSM+WiFi Wireless Alarm System with Motion & Door/Window Sensors

£95.50

at OnBuy

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Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar for Home Window Door Bike Bag Security Black

£7.94

at OnBuy

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Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar for Home Window Door Bike Bag Security Red

£7.94

at OnBuy

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tiiwee Home Alarm System Wireless Kit X1 - Complete alarm system with X1 siren, 2 window door sensors, 1 motion sensor and 2 remote controls - window

£103.66

at OnBuy

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Yale HSA Essentials Alarm Kit, Battery Powered, 5 Piece Kit, Self Monitored, No Contract, Wireless, PIR Movement Sensors, Door/Window Sensor External

£112.15

at OnBuy

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Door Alarms When Opened, 6 Pack Window Alarm for Home Security, 120db Magnetic Burglar Sensors for House, Shop, Office, Garage

£49.33

at OnBuy

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Wireless Home Security System with WiFi Door Alarm, Motion and Window Sensors, Alexa Compatible, No Subscription

£86.78

at OnBuy

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Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar Alarm for Home Window Door Bike Bag Security Red

£7.54

at OnBuy

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Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar Alarm for Home Window Door Bike Bag Security Black

£7.98

at OnBuy

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Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar Alarm for Home Window Door Bike Bag Security Red

£7.45

at OnBuy

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10Pack Door and Window Alarm Kit with 120dB Alert, Wireless Magnetic Sensors, Battery Powered

£46.47

at OnBuy

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Home Security Alarm Systems with Door/Window Sensors,Motion Detector,4G/Tuya App Alerts, for Villa,Apartment,House EU Plug

£137.26

at OnBuy

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Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar Alarm for Home Window Door Bike Bag Security Black

£8.25

at OnBuy

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Vibration Alarm Sensors 120dB Ultra-Slim Detector Anti-Theft Burglar Alarm for Home Window Door Bike Bag Security Black

£8.70

at OnBuy

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Flintronic 4 Pack Window Alarm, 130dB Ultra Slim Vibration Alarm Sensors, Glass Break Security Alert, Detects Glassbreak & Vibration

£23.21

at OnBuy

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6 Sets Wireless Magnetic Door and Window Security Alarm Anti-Theft Sensors

£26.86

at OnBuy

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WiFi Door and Window SensorsTuya Smart Alarm with Free Notification APP Control Home Security Alarm System No Hub RequiredCompatible with Alexa Google

£19.22

at OnBuy

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