HomeHome & InteriorHome Safety and Personal SecuritySensors & SirensWindow sensors

Window sensors

Sensors & Sirens

Sensors & Sirens

Netatmo Smart Door and Window Sensors

Wi-Fi, Battery, Motion, Door/Window, Vibration

from

£91.99

Compare prices

Ring Alarm Contact Sensor (2nd Gen)

Z-Wave, Battery, Motion, Door/Window

from

£7.84

Compare prices

Aqara T1 Door and Window Sensor

ZigBee, Door/Window

from

£15.31

Compare prices

TP-Link Tapo T110 Smart Contact Sensor

Battery, Temperature, Door/Window

from

£12.49

Compare prices

Yale DPS Door Sensor Garage

Wi-Fi, Door/Window

from

£44.20

Compare prices

Eufy Entry Sensor

Wi-Fi, Temperature, Door/Window

from

£16.97

Compare prices

Hive Home Motion Sensor

Battery, Motion, Door/Window

from

£23.00

Compare prices

TP-Link Tapo T300 Water Leak Sensor

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

from

£13.54

Compare prices

Yale Indoor Motion Sensor

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

from

£43.99

Compare prices

Aqara Window/Door Sensor

Battery, Door/Window, ZigBee, Wi-Fi, Bluetooth, HomeKit, Matter, Thread

(8)

from

£13.39

Compare prices

Shelly Blu Door & Window Sensor Black

ZigBee, Door/Window

from

£17.96

Compare prices

Sonoff SNZB-04PR2 Door and Window Sensor

ZigBee, Door/Window

from

£12.50

Compare prices

Shelly BLU Door & Window Sensor

Door/Window, ZigBee, Wi-Fi

(1)

from

£22.99

Compare prices

Philips Hue Secure Contact Sensor 2-pack

ZigBee, Motion, Door/Window

from

£110.07

Compare prices

Sonoff Zigbee Magnetsensor

ZigBee, Door/Window

from

£20.00

Compare prices

HIKvision DS-PDMC-EG2-WE

Door/Window

from

£49.74

Compare prices

HomeMatic eQ-3 AG IP HmIP-SRH (142800A0)

Door/Window

from

£45.02

Compare prices

Philips 531018 WelcomeBell AddMove 300M

433MHz, Motion, Door/Window

from

£30.99

Compare prices

Nedis Door Entry Motion Alarm

Battery, Motion, Door/Window

from

£7.16

Compare prices

Yale Outdoor Motion Sensor

Battery, Motion, Door/Window

from

£69.24

Compare prices

Fritz! Smart Control 350 Door/Window Sensor

Door/Window

from

£61.77

Compare prices

Eve Systems Door & Window

Battery, Temperature, Door/Window, ZigBee, Wi-Fi, Bluetooth, HomeKit, Thread

(1)

from

£24.98

Compare prices

Bosch Door/Window Contact

Battery, Door/Window, ZigBee, HomeKit

from

£34.99

Compare prices

Ajax DoorProtect Plus

Wi-Fi, Door/Window, Vibration

from

£69.83

Compare prices

Xiaomi Mi Window and Door Sensor 2

Door/Window

from

£7.99

Compare prices

Brennenstuhl Connect Zigbee BM CZ 01

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

from

£28.99

Compare prices

Aqara Door and Window Sensor P2 [Offline]

Door/Window, Matter, Thread

from

£32.99

Compare prices

Somfy IntelliTAG™ Door/Window Sensor

Door/Window, Vibration

from

£55.99

Compare prices

Philips Hue Secure Contact Sensor

ZigBee, Door/Window

from

£34.99

Compare prices

Hama WiFi Door Wifi Door And Window Sensor (176553)

Wi-Fi, Door/Window

from

£26.99

Compare prices

Abus MK2000W

Door/Window

from

£11.80

Compare prices

Shelly Blu Door/Window Sensor

Battery, Door/Window

from

£22.99

Compare prices

WiZ Kontaktsensor 1-pack

Wi-Fi, Door/Window

from

£15.71

Compare prices

Imou ZD1 Door and Window Sensor

ZigBee, Motion, Door/Window

from

£15.27

Compare prices

Osram Smart+ Wifi Door and Window Sensor

Wi-Fi, Door/Window

from

£18.00

Compare prices

Fibaro HomeKit Door/Window Sensor FGBHDW-002

Battery, Motion, Temperature, Door/Window, Z-Wave, Bluetooth, Z-Wave Plus, HomeKit

from

£47.38

Compare prices

Deltaco SH-WS02 Magnetic Door and Window Sensor

Wi-Fi, Battery, Door/Window

from

£29.99

Compare prices

TP-Link Tapo T110 Door/Window Sensor

Motion, Door/Window, 868MHz (not Z-wave/ZigBee), Wi-Fi, Matter

(2)

from

£16.42

Compare prices

HIKvision DS-PDMCS-EG2-WE

Door/Window

from

£64.85

Compare prices

Abus FU7350W

Door/Window

from

£9.99

Compare prices

Sonoff ZigBee door and window opening sensor SNZB-04P (+battery)

Door/Window, ZigBee, Wi-Fi

from

£11.86

Compare prices

Thirdreality Door Sensor

ZigBee, Door/Window

from

£23.27

Compare prices

Nedis ZBSD11WT SmartLife Door Window Sensor Zigbee 3.0

ZigBee, Door/Window

from

£53.88

Compare prices

Honeywell Wireless Glass-Break Sensor

Door/Window

from

£24.99

Compare prices

Abus Smartvest Wireless Magnetic Contact

Door/Window

from

£16.97

Compare prices

Nedis Smart Door or Window Sensor

Battery, ZigBee, Wi-Fi, Motion, Door/Window

from

£62.28

Compare prices

Aeotec Multipurpose Sensor

Battery, Z-Wave, ZigBee, Temperature, Door/Window, Vibration

from

£29.50

Compare prices

frient Entry Sensor Pro

ZigBee, Door/Window

from

£27.00

Compare prices

Aeotec Recessed Door Sensor 7

Door/Window, Z-Wave, Z-Wave Plus

from

£41.71

Compare prices

HIKvision DS-PDWL-E-WE

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

from

£104.27

Compare prices

Extralink EX.34897 Door and Window Sensor

from

£17.84

Compare prices

Eltako Mtronic Window Contact

from

£10.57

Compare prices

Eltako Ffkb-Wg Door and Window Sensor

from

£75.99

Compare prices

Somfy 1811638 Door and Window Sensor

433MHz

from

£75.99

Compare prices

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

£25.75

at Amazon.co.uk

View in shop

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)

£11.89

at Amazon.co.uk

View in shop

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

£9.34

at Amazon.co.uk

View in shop

XNH 3 Pack Door and Window Sensors, 315/433 /868MHz/ Entry Sensors Compatible A103F A105F A107F A108F A109F A01F A02F A519W with Home Security Systems

£13.59

at Amazon.co.uk

View in shop

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

£19.36

at eBay

View in shop

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

£19.36

at eBay

View in shop

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

£10.64

at AliExpress

View in shop

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

£26.95

at OnBuy

View in shop

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

£48.07

at OnBuy

View in shop

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

£50.03

at OnBuy

View in shop

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

View in shop

(Wifi) Window Sensors, Home Monitor Devices, Wifi Personal Security Window And Door Sensor Home Security for Home Garage Apartment

£24.99

at OnBuy

View in shop

Tuya Zigbee Door Window Sensors Wireless Smart Life Magnetic

£5.73

at OnBuy

View in shop

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

£22.48

at OnBuy

View in shop

security alarm system diy kit with door window motion sensors siren

£16.60

at OnBuy

View in shop

10 Sets 433MHz Wireless Magnetic Door Window Sensors for Enhanced Home Security Compatible with Burglar Systems

£25.10

at OnBuy

View in shop

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

£39.08

at OnBuy

View in shop

2X Tuya Zigbee Door Window Sensors Wireless Life Magnetic Door Sensor APP Remote Control

£13.09

at OnBuy

View in shop

3X Tuya Zigbee Door Window Sensors Wireless Life Magnetic Door Sensor APP Remote Control

£20.05

at OnBuy

View in shop

Home Security Door Window Alarms & Sensors For Export

£57.10

at OnBuy

View in shop

10 Pairs Normally Closed and Open Wired Magnetic Proximity Reed Sensor Door and Window Magnetic Sensors

£22.06

at OnBuy

View in shop

3X Tuya Zigbee Door Window Sensors Wireless Life Magnetic Door Sensor APP Remote Control

£17.72

at OnBuy

View in shop

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

£124.51

at OnBuy

View in shop

3X Tuya Zigbee Door Window Sensors Wireless Life Magnetic Door Sensor APP Remote Control

£18.59

at OnBuy

View in shop

10 Pairs Normally Closed and Open Wired Magnetic Proximity Reed Sensor Door and Window Magnetic Sensors

£25.15

at OnBuy

View in shop

2X Tuya Zigbee Door Window Sensors Wireless Life Magnetic Door Sensor APP Remote Control

£13.08

at OnBuy

View in shop

3X Tuya Zigbee Door Window Sensors Wireless Life Magnetic Door Sensor APP Remote Control

£17.83

at OnBuy

View in shop

2X Tuya Zigbee Door Window Sensors Wireless Life Magnetic Door Sensor APP Remote Control

£14.81

at OnBuy

View in shop

10 Pairs Normally Closed and Open Wired Magnetic Proximity Reed Sensor Door and Window Magnetic Sensors

£21.82

at OnBuy

View in shop

Door and Window Alarm, 130 dB Wireless Door and Window Sensors with Remote Control and Batteries

£23.83

at OnBuy

View in shop

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

£29.99

at Amazon Marketplace

View in shop

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)