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Security System Sensors

Shop the best prices on 15,209 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Dirtypigs and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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1,697 - 1,728 of 3,200
Durable Metal Detector Guard 4Pcs Protection Cage For Residential Properties 15.70X15.70X6.90CM Easy Installation
£30.95 Save £23.05 RRP: £54.00
Easily Remove Security Tags with the Magnetic Remover Clothing Hard Tag Detacher - Effortlessly Remove Security Tags for Convenience and Peace of Mind
£21.95 Save £9.00 RRP: £30.95
BERM Proximity Switch 3‑Wire Cylindrical Detection Sensor Controller PRL18-5DP 10-30VDC
£14.95 Save £17.00 RRP: £31.95
SONOFF SNZB 02 ZigBee Temperature And Humidity Sensor eWeLink Smart Home Security
£24.95 Save £6.00 RRP: £30.95
E3JK-R4M1 ABS Housing Specular Reflection Type Photoelectric Switch Sensor(90-250VAC 3500mm)
£20.95 Save £25.00 RRP: £45.95
Ultrasonic Animal Repeller Solar,waterproof Cat Repellent,fox Repellent,rat Repellent,ultrasonic Dog Repellent,deterrent For Garden Yard Field Woosien
£28.95
Home Security Wireless Remote Control Door Window Siren Magnetic Sensor Alarm Warning, 1 Remote Controller + 2 Magnetic Sensors
£23.95
Tuya Zigbee Solar Sunlight and Rainwater Sensor 2 in 1 Rainfall Sunshine Weather Detection Sensor for Home Smart Life
£29.95 Save £129.05 RRP: £159.00
Wireless Door Open Sensor Alarm Chime, Adjustable Volume With Mute Indicators
£19.95 Save £6.00 RRP: £25.95
5 Pcs -38 Wired Door Window Sensor Magnetic Switch
£9.95 Save £12.00 RRP: £21.95
5 Pcs -38 Wired Door Window Sensor Magnetic Switch
£15.95 Save £20.00 RRP: £35.95
Handheld Security Tag Unlocker - Magnetic Hook Detacher for Retail Stores
£11.95 Save £18.00 RRP: £29.95
2pcs Tuya Smart Temperature And Humidity Sensor Wifi App Remote Monitor For Smart Life App Control
£13.95 Save £25.00 RRP: £38.95
Freezer Door Alarm When Left Open,fridge Door Alarm With Delay Upgrade 3/15/30/60 Seconds Security, Adjustable Delay Wireless Fridge Alarm Door Open C
£35.95 Save £33.05 RRP: £69.00
ZigBee NEO 90DB Sound and Light Sensor Tuya Smart Life Built-in Siren Alarm SensorBY p
£16.95
10 Pack Window Alarm Wireless Door Magnetic Sensor Alarm for Home Security System, Pool Door Alarm
£39.95 Save £54.05 RRP: £94.00
10pcs Magnetic Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced B
£20.95 Save £27.00 RRP: £47.95
Wireless Temperature And Humidity Sensor Detector Smart Home Sonoff SNZB-02P
£25.95
Human Presence Sensor Millimeter Wave Radar Detection Built-in Illuminance Sensor
£28.95
Compatible Tuya ZigBee Smart Vibration Tilt Sensor Real Time Shock Alarm Security Protection
£20.95
Human Presence Sensor Millimeter Wave Radar Detection Built-in Illuminance Sensor
£29.95
Compatible Tuya ZigBee Smart Vibration Tilt Sensor Real Time Shock Alarm Security Protection
£21.95
Wireless Temperature And Humidity Sensor Detector Smart Home Sonoff SNZB-02P
£25.95
IMCBSTT Tuya Smart ZigBee Door Window Sensor Smart Home Wireless Door Detector APP Remote Alarm Works Support Alexa Home
£19.95 Save £11.00 RRP: £30.95
Vibration-Sensor Door Alarm, Security Companion with Non-Skid Pad, 120dB Loud Siren for Home and Travel Safety
£9.95 Save £5.00 RRP: £14.95
Wireless Door Sensor Alarm with Magnetic Induction for Home Security and Access Control-JJ
£31.95 Save £32.05 RRP: £64.00
Wireless Door Open Sensor Alarm Chime, Adjustable Volume With Mute Indicators
£18.95 Save £23.00 RRP: £41.95
Wireless Home Security Door Window Entry Burglar Alarm System Sensor 24/7 Monitoring Works
£11.95 Save £7.00 RRP: £18.95
2 LED Colors Indication Access Control System with Backlight,for Home Security
£16.95 Save £9.00 RRP: £25.95
Tuya APP Door Open/Closed Detectors Security Protection ZigBee Alarm Detector 2.4GHz Wireless Window Door Gate Sensor
£12.95
Tuya Smart WiFi Alarm Door and Window Vibration Sensor Security Protection Alert Works with Alexa, Smart Life(White)
£16.95
1 Channel SCR Relay Switch Module MOS Transistor Output Optocoupler Isolation Anti Interference Relay Module DC3 to 24V
£9.95 Save £2.00 RRP: £11.95