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Window alarm sensors Deals in the UK

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Deals are available from 2 stores and 0 brands. An additional discount is available for 18 items. Last updated on 23 September 2025.
EWelink Zigbee Door Sensor Smart Home Window Sensor Works Home Assistant Zigbee 3.0 Gateway Door Window Alarm Sensor APP Control
52% Off
EWelink Zigbee Door Sensor Smart Home Window Sensor Works Home Assistant Zigbee 3.0 Gateway Door Window Alarm Sensor APP Control
EWelink Zigbee Door Sensor Smart Home Window Sensor Works Home Assistant Zigbee 3.0 Gateway Door Window Alarm Sensor APP Control
New
£7.36
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IMOU Home Wifi Alarm System Zigbee 3.0 Real Time App Push Motion Sensor Alarm Siren Window Door Sensor IP Camera Work with Alexa
46% Off
IMOU Home Wifi Alarm System Zigbee 3.0 Real Time App Push Motion Sensor Alarm Siren Window Door Sensor IP Camera Work with Alexa
IMOU Home Wifi Alarm System Zigbee 3.0 Real Time App Push Motion Sensor Alarm Siren Window Door Sensor IP Camera Work with Alexa
New
£20.72
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Zexmte Window Door Alarm Sensor Smart Home 125dB Wireless Anti-theft Refrigerator Door Opening System for Home Security Alarms
Zexmte Window Door Alarm Sensor Smart Home 125dB Wireless Anti-theft Refrigerator Door Opening System for Home Security Alarms
Zexmte Window Door Alarm Sensor Smart Home 125dB Wireless Anti-theft Refrigerator Door Opening System for Home Security Alarms
New
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5-Piece Home Alarm Kit
5-Piece Home Alarm Kit
5-Piece Home Alarm Kit
New
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Camluxy Tuya WiFi Window Alarm Glass Break Sensor Alarm 130dB Anti-Theft Vibration Detector Alarm for Home Door Window Security
68% Off
Camluxy Tuya WiFi Window Alarm Glass Break Sensor Alarm 130dB Anti-Theft Vibration Detector Alarm for Home Door Window Security
Camluxy Tuya WiFi Window Alarm Glass Break Sensor Alarm 130dB Anti-Theft Vibration Detector Alarm for Home Door Window Security
New
£34.34
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Tuya WiFi or Zigbee Door Sensor Smart Life Home Security Door Open Alert Sensor Window Sensor Alarm System with Black Color
53% Off
Tuya WiFi or Zigbee Door Sensor Smart Life Home Security Door Open Alert Sensor Window Sensor Alarm System with Black Color
Tuya WiFi or Zigbee Door Sensor Smart Life Home Security Door Open Alert Sensor Window Sensor Alarm System with Black Color
New
£8.33
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Door And Window Vibration Sensor Alarm 125dB Glass Breakage, Anti-theft Sensor Easy Install For Home Safety Protection
50% Off
Door And Window Vibration Sensor Alarm 125dB Glass Breakage, Anti-theft Sensor Easy Install For Home Safety Protection
Door And Window Vibration Sensor Alarm 125dB Glass Breakage, Anti-theft Sensor Easy Install For Home Safety Protection
New
£7.95
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KERUI D121 120dB Wireless Door/Windows Sensor Alarm 300ft Anti-Theft Smart Remote Control For Kids Cabinet Safety Home Security
50% Off
KERUI D121 120dB Wireless Door/Windows Sensor Alarm 300ft Anti-Theft Smart Remote Control For Kids Cabinet Safety Home Security
KERUI D121 120dB Wireless Door/Windows Sensor Alarm 300ft Anti-Theft Smart Remote Control For Kids Cabinet Safety Home Security
New
£6.07
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KERUI D121 120dB Wireless Door/Windows Sensor Alarm 300ft Anti-Theft Smart Remote Control For Kids Cabinet Safety Home Security
50% Off
KERUI D121 120dB Wireless Door/Windows Sensor Alarm 300ft Anti-Theft Smart Remote Control For Kids Cabinet Safety Home Security
KERUI D121 120dB Wireless Door/Windows Sensor Alarm 300ft Anti-Theft Smart Remote Control For Kids Cabinet Safety Home Security
New
£6.99
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KERUI 120dB Window/Door Sensor Alarm Wireless 300ft Remote Control For Kids Cabinet Safety Home Security Smart Anti-Theft D121
50% Off
KERUI 120dB Window/Door Sensor Alarm Wireless 300ft Remote Control For Kids Cabinet Safety Home Security Smart Anti-Theft D121
KERUI 120dB Window/Door Sensor Alarm Wireless 300ft Remote Control For Kids Cabinet Safety Home Security Smart Anti-Theft D121
New
£11.66
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Awapow Wireless Door Alarm With Remote Control Anti-Theft Door And Window Security Alarms Home Security Sensor Burglar Alarms
65% Off
Awapow Wireless Door Alarm With Remote Control Anti-Theft Door And Window Security Alarms Home Security Sensor Burglar Alarms
Awapow Wireless Door Alarm With Remote Control Anti-Theft Door And Window Security Alarms Home Security Sensor Burglar Alarms
New
£11.57
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Door Window Wireless Burglar Alarm with Magnetic Sensor Alarm 108dB High Volume Door Open Detectors Home Security Device
52% Off
Door Window Wireless Burglar Alarm with Magnetic Sensor Alarm 108dB High Volume Door Open Detectors Home Security Device
Door Window Wireless Burglar Alarm with Magnetic Sensor Alarm 108dB High Volume Door Open Detectors Home Security Device
New
£6.85
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Zigbee Door Window Sensor Smart Security Alarm Open Closed Detectors Home Anti-theft Door Contact Sensor Need Zigbee Gateway Z2M
50% Off
Zigbee Door Window Sensor Smart Security Alarm Open Closed Detectors Home Anti-theft Door Contact Sensor Need Zigbee Gateway Z2M
Zigbee Door Window Sensor Smart Security Alarm Open Closed Detectors Home Anti-theft Door Contact Sensor Need Zigbee Gateway Z2M
New
£7.15
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Tuya Zigbee Door Window Sensor Smart Security Alarm Open Closed Detectors Home Anti-theft Door Contact Sensor Google Home Alexa
54% Off
Tuya Zigbee Door Window Sensor Smart Security Alarm Open Closed Detectors Home Anti-theft Door Contact Sensor Google Home Alexa
Tuya Zigbee Door Window Sensor Smart Security Alarm Open Closed Detectors Home Anti-theft Door Contact Sensor Google Home Alexa
New
£8.72
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EWelink ZigBee Door And Window Magnetic Sensor Wireless Door Alarm Detector Smart Home Security Works With Zigbee2MQTT Alexa ZHA
49% Off
EWelink ZigBee Door And Window Magnetic Sensor Wireless Door Alarm Detector Smart Home Security Works With Zigbee2MQTT Alexa ZHA
EWelink ZigBee Door And Window Magnetic Sensor Wireless Door Alarm Detector Smart Home Security Works With Zigbee2MQTT Alexa ZHA
New
£6.84
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