HomeHome & InteriorHome Safety and Personal SecuritySensors & SirensWindow sensors

Window sensors

Sensors & Sirens

Sensors & Sirens

Ring Alarm Contact Sensor (2nd Gen)

Z-Wave, Battery, Motion, Door/Window

from

£14.99

Compare prices

Yale Indoor Motion Sensor

Alarm, Motion, Temperature, Door/Window, Vibration

from

£35.99

Compare prices

Eufy Entry Sensor

Wi-Fi, Temperature, Door/Window

from

£19.95

Compare prices

Nedis Door Entry Motion Alarm

Motion, Door/Window

from

£14.92

Compare prices

Yale DPS Door Sensor Garage

Wi-Fi, Door/Window

from

£44.20

Compare prices

Hive Home Motion Sensor

Motion, Door/Window

from

£17.95

Compare prices

SiGN Smart WiFi Smoke Detector

Wi-Fi, Smoke, Motion, Water leakage, Door/Window, Vibration, Fire

from

£34.99

Compare prices

TP-Link Tapo T300 Water Leak Sensor

Battery, Water leakage, Door/Window

from

£17.09

Compare prices

Xiaomi Mi Window and Door Sensor 2

Door/Window

from

£7.99

Compare prices

Aqara Door and Window Sensor P2 [Offline]

Door/Window, Matter, Thread

from

£32.99

Compare prices

Netatmo Smart Door and Window Sensors

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

from

£91.99

Compare prices

Shelly BLU Door & Window Sensor

Door/Window, ZigBee, Wi-Fi

(1)

from

£22.99

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

Philips Hue Secure Contact Sensor 2-pack

ZigBee, Motion, Door/Window

from

£80.99

Compare prices

Aqara T1 Door and Window Sensor

ZigBee, Door/Window

from

£16.83

Compare prices

Sonoff Zigbee Magnetsensor

ZigBee, Door/Window

from

£20.00

Compare prices

Shelly Blu Door & Window Sensor Black

Door/Window

from

£20.38

Compare prices

Marmitek SenseSI Smart Wi-Fi Sensor

Wi-Fi, Motion, Door/Window

from

£12.54

Compare prices

Hama WiFi Door Wifi Door And Window Sensor (176553)

Wi-Fi, Door/Window

from

£26.99

Compare prices

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

Door/Window

from

£44.77

Compare prices

Abus MK2000W

Door/Window

from

£11.80

Compare prices

HIKvision DS-PDMCS-EG2-WE

Door/Window

from

£64.85

Compare prices

Abus FU7350W

Door/Window

from

£9.99

Compare prices

Shelly Blu Door/Window Sensor

Door/Window

from

£22.99

Compare prices

Philips 531018 WelcomeBell AddMove 300M

433MHz, Motion, Door/Window

from

£30.99

Compare prices

Baseus Heyo Kameradetektor

Door/Window, Battery, USB

from

£17.63

Compare prices

Yale Outdoor Motion Sensor

Motion, Door/Window

from

£76.75

Compare prices

Neo Smart Door Window Sensor WiFi NAS-DS07W TUYA

Wi-Fi, Door/Window

from

£19.25

Compare prices

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

ZigBee, Door/Window

from

£11.86

Compare prices

WiZ Kontaktsensor 1-pack

Wi-Fi, Door/Window

from

£15.79

Compare prices

Thirdreality Door Sensor

ZigBee, Door/Window

from

£26.99

Compare prices

Nedis ZBSD11WT SmartLife Door Window Sensor Zigbee 3.0

ZigBee, Door/Window

from

£53.88

Compare prices

Nous E3 Door and Window Sensor

Door/Window

from

£19.73

Compare prices

Osram Smart+ Wifi Door and Window Sensor

Door/Window

from

£18.00

Compare prices

Eve Systems Door & Window

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

(1)

from

£24.98

Compare prices

Devolo Home Control Door/Window Contact

Z-Wave, Battery, Motion, Temperature, Door/Window

from

£27.70

Compare prices

Honeywell Wireless Glass-Break Sensor

Door/Window

from

£19.99

Compare prices

Bosch Door/Window Contact

Battery, Door/Window, ZigBee, HomeKit

from

£35.45

Compare prices

Aqara Window/Door Sensor

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

(8)

from

£13.29

Compare prices

Xiaomi Mi Window and Door Sensor

ZigBee, Wi-Fi, Motion, Door/Window

(1)

from

£14.06

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

£33.40

Compare prices

Sonoff DW2

Door/Window, 433MHz, Wi-Fi

(1)

from

£11.76

Compare prices

frient Entry Sensor Pro

ZigBee, Door/Window

from

£27.00

Compare prices

Trust Wireless Door/Windows Sensor ACST-606

Door/Window

from

£7.25

Compare prices

Aeotec Recessed Door Sensor 7

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

from

£39.30

Compare prices

HIKvision DS-PDWL-E-WE

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

from

£113.34

Compare prices

Woox R7047 Zigbee Smart Door&Window Sensor

ZigBee, Door/Window

from

£20.69

Compare prices

TP-Link Tapo T110 Smart Contact Sensor

Battery, Door/Window

from

£11.87

Compare prices

Brennenstuhl Connect Zigbee BM CZ 01

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

from

£28.99

Compare prices

TP-Link Tapo T110 Door/Window Sensor

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

(2)

from

£16.42

Compare prices

Extralink EX.34897 Door and Window Sensor

from

£18.48

Compare prices

Eltako Mtronic Window Contact

from

£10.57

Compare prices

Somfy 1811638 Door and Window Sensor

433MHz

from

£75.99

Compare prices

Eltako Ffkb-Wg Door and Window Sensor

from

£75.99

Compare prices

Acrylic Window Light Sensors, Window Ornaments Light Sensors, Colorful Acrylic Cat Window Pendant | Wall Decoration with Clear Patterns for Garden, Wall, Window,

£11.23

at Amazon Marketplace

View in shop

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

£23.88

at Amazon Marketplace

View in shop

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

View in shop

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

£28.99

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)

£13.99

at Amazon.co.uk

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)

£42.99

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

Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control C2H73379

£9.01

at eBay

View in shop

Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control N6I57479

£9.01

at eBay

View in shop

Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control X7X11068

£8.39

at eBay

View in shop

Wired NC Security Alarm With Magnetic Reed Switch Door Window Contact Sensors

£6.28

at eBay

View in shop

2X(Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control W1F6)

£14.22

at eBay

View in shop

Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control C9N52233

£9.06

at eBay

View in shop

2X(Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control M7E7)

£13.97

at eBay

View in shop

3X(Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control U6Q9)

£19.07

at eBay

View in shop

2X Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control S6G1

£14.15

at eBay

View in shop

Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control N9J48731

£8.84

at eBay

View in shop

Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control Q8E42013

£8.84

at eBay

View in shop

1X(Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control D7Z7)

£8.84

at eBay

View in shop

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

£20.24

at eBay

View in shop

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

£46.37

at eBay

View in shop

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

£47.90

at eBay

View in shop

Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control W6J51069

£8.84

at eBay

View in shop

Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control L6H49861

£8.69

at eBay

View in shop

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

£19.31

at eBay

View in shop

Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control G9S46501

£8.39

at eBay

View in shop

2X(Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control K5E6)

£13.86

at eBay

View in shop

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

£21.06

at eBay

View in shop

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

£13.99

at eBay

View in shop

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

£41.65

at eBay

View in shop

SimpliSafe Entry Sensor Wireless Door & Window Contact Sensors ES3

£19.99

at eBay

View in shop

Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control I2W57639

£8.87

at eBay

View in shop

1X(Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control Z3T3)

£8.87

at eBay

View in shop

2X Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control H7R9

£14.18

at eBay

View in shop

Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control V7R59339

£8.87

at eBay

View in shop

Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control B4N98792

£8.39

at eBay

View in shop

Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control Y3H55138

£8.24

at eBay

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

£19.35

at eBay

View in shop

TECKNET Door Alarm Sensor, Window Alarms Sensors, 2-in-1 Alarm & Chime, 3-lev...

£22.20

at eBay

View in shop

Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control I4R62375

£8.87

at eBay

View in shop

Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control K5Z54102

£9.08

at eBay

View in shop

Tuya Door Window Sensors Magnetic Door Sensor APP Remote Control V7P72872

£8.87

at eBay

View in shop