Security System Sensors

Shop the best prices on 11,365 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on ZENGO, Aura, Redkid and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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Stainless Steel Float Switch for Tank Liquid Water Level Sensor Double Ball Float Switch for Tank Pool Flow Sensors

£17.23 Save £13.07 RRP: £30.30

Dual PIR Motion Detector Alarm: Reliable Wired Infrared Sensor for Enhanced Home Security

2pcs Wired Pir Motion Sensor Wide Angle Passive Infrared Detector For Home Burglar Security Alarm Sy

£6.41 Save £6.00 RRP: £12.41

12V PC CPU Fan Temperature Control PWM Speed Controller Module Alarm Buzzer Sensor with Alarm Blue

2 Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 in 1 Door Sensor Doorbell Door Open Alarm Loud108dB

2 Pack Wifi Smart Door Window Sensor Door Detector Wireless Sensor With App Alarm

£22.94 Save £80.31 RRP: £103.25

Tuya ZigBee Smart Vibration Sensor Wireless Glass Break/Drop/Tilt Detector Built-in Smart Siren Alarm for Home Security

£14.95 Save £20.00 RRP: £34.95

Garage Door Bracket for Contact Sensor,Ring Sensor Mounting Bracket Security Accessories

£9.95 Save £3.00 RRP: £12.95

Wireless Door/Window Alarm, Anti-Theft Sensor, 108dB, Easy Installation, Home Cabinet Security Alarm

£14.95 Save £4.00 RRP: £18.95

C100 125dB Vibration Sensor Alarm Door and Window Alarm Home Personal Anti-theft Alarm(Black)

Wireless Zigbee Door Window Sensor 50x25x11mm with Brightness Light

£12.07 Save £7.41 RRP: £19.48

Smart WiFi Vibration Sensor Alarm White

Alarm Magnetic Contact for Roller Shutter Garage Door Sensor NF

£25.95 Save £23.00 RRP: £48.95

WIFI Human Presence Sensor Detector Radar Wave Detection for Home Security Tuya Body Exists 24G

£28.67 Save £17.21 RRP: £45.88

Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban

£20.96 Save £20.97 RRP: £41.93

Home Security Door & Window Sensor Convenient Door Sensor Door Open Detection Alarm Keep Your Property Secure ABS Multicolor

Hidden Camera Detector and Bug Finder, 6in1 Privacy Protection for Travel, Hotel, Car, Airbnb

£39.95 Save £19.05 RRP: £59.00

Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)

£9.95 Save £8.00 RRP: £17.95

Alarm B300 blue English packaging

£21.55 Save £52.78 RRP: £74.33

Smart Home Zigbee Solar Rain Sensor Wireless App Control

£21.95 Save £8.00 RRP: £29.95

Smart Home Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection for Garden Automat

£19.95 Save £5.00 RRP: £24.95

Infrared Sensor Wireless Detector Gsm High Sensitive Security Alarm With Eu Plug For Store Warehouse Factory black

Mot Sensor Ceiling Home Indoor Aisd Hanging

Fuel Door Lock Actuator Fast Response 78850 AM80A Replacement for Infiniti EX37 FX37 EX35 FX45 FX50 G25 M35h

£25.95 Save £8.00 RRP: £33.95

Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db

£37.07 Save £26.47 RRP: £63.54

Tuya Smart Vibration Sensor ZigBee Tuya Sensor Monitor App Control Security Protection Zigbee Sensor Motion Shock Alarm

£18.32 Save £11.00 RRP: £29.32

Garage Door Bracket for Ring Alarms Contact Sensors(2nd Gen), Easy-to-Install Garage Door Safety Accessory

Glass Break Detector High Sensitivity Sdjustable Window Alarm Glass Break Sensor for Home Security

£8.95 Save £3.00 RRP: £11.95

Smart Siren Alarm 90dB Sound and Light Sensor APP Remote Control Home Security Wireless Alarm for Zigbee Gateway

£30.95 Save £10.00 RRP: £40.95

home safety wireless alarm with magnetic sensor longer

Rechargeable Security Camera Rf Signal Detector

£9.90 Save £21.36 RRP: £31.26

Sonoff Waterproof Ds18b20 Temperature Sensor?home Automation

£18.20 Save £36.41 RRP: £54.61