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£100 to £250 Security System Sensors

Shop the best prices on 175 great value £100 to £250 security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech and TTMA. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to United Kingdom.

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1 - 32 of 175
Single Beam Alarm Photoelectric Infrared Detector Home Security System Door
£139.00 Save £100.00 RRP: £239.00
Infrared Beam Detector/ir Beam Sensor For Perimeter Protection Abo-10f
£159.00 Save £120.00 RRP: £279.00
Leakage Detection Tool Detector Basement Detection Earphone Water Alarm Water Leak Alarm Water Leak Detector For Indoor Room
£169.00
SONOFF DW2 WiFi Magnetic Door/Window Sensor Smart Home Security EWeLink
£119.00 Save £70.00 RRP: £189.00
GSM 3G 4G Humidity Temperature Alarm Environmental Monitoring Power Failure Alarm
£149.00 Save £10.00 RRP: £159.00
Light Curtain Sensor Switch Safety Light Grating Security Device(12 Beams BEM1240C440NB)
£139.00 Save £10.00 RRP: £149.00
1MHz6GHz RF SDR Platform Software Radio Development Module Radio Learning Board with Antennas
£149.00 Save £30.00 RRP: £179.00
New 10-Piece Camera Module with 1MP OV9732 Sensor. 1280x720 Resolution, USB Connectivity, Manual Focus & Free Driver. 3 Meter Cable
£149.00
2025 Itead SONOFF DW2 WiFi Smart Door Window Sensor Door Open/Closed Detectors
£99.00 Save £70.00 RRP: £169.00
Door Window Alarm 90dB, Wireless Sensor Burglar Alarm For Home Security, 15-Pack, Kids Safety
£169.00 Save £80.00 RRP: £249.00
Wireless GPS Signal Detector Anti-Eavesdropping Device HK809/007 for Car Home Office Security
£119.00
RTU5023 Temperature Humidity GSM 3G 4G Wireless SMS Alert Power Outage Failure Alarm Environmental Monitor AC
£159.00 Save £120.00 RRP: £279.00
Light Curtain Sensor Switch Safety Light Grating Security Device (12 Beams BEM1240‑A‑440NB)
£149.00 Save £10.00 RRP: £159.00
WiFi Temperature Sensor Tuya Thermometer Detector Digital Display Home Smart Life App Alert Freezer Water Alarm EU Plug Edition 2025
£179.00 Save £170.00 RRP: £349.00
Wifi Digital Temperature Sensor for Tuya - Smart Home Freezer Thermometer with App Alert 2025
£129.00 Save £80.00 RRP: £209.00
Brake Wheel Speed Sensor 4013251 Quick Response Real Time Monitoring Precise Adjustment Replacement for Polaris
£199.00 Save £300.00 RRP: £499.00
Wired Water Sensor Warehouse Machine Room Home Security Alarm Nc/no Output Relay Options Water Leak Detector Liquid
£119.00
w Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless
£119.00
1080P WiFi Doorbell Camera Security System with Sensor Kit
£119.00 Save £20.00 RRP: £139.00
Tuya Smart Human Presence Sensor for Home, Energy Saving & Eco-Friendly-SYKJ
£109.00 Save £30.00 RRP: £139.00
Alarme de température et d'humidité GSM 3G 4G Surveillance environnementale Alarme de panne de courant
£129.00 Save £10.00 RRP: £139.00
Truck Tire Pressure Monitor System IP67 Waterproof 6PCS External Sensor Leakage Alarm
£179.00 Save £220.00 RRP: £399.00
White Kkmoon 7 Wired Video Door Phone System Visual Intercom Doorbell With 1*800x480 Indoor Monitor + 1*700tvl Outdoor Camera Support Unlock Infrared
£149.00
918Ft Wireless Door Security 4 Magnetic Sensor Alarm Home Door Open Split Entry Detector Commercial Welcome Chime Bell 36 Tunes
£139.00
GSM 3G 4G Humidity Temperature Alarm Environmental Monitoring Power Failure Alarm
£139.00 Save £10.00 RRP: £149.00
Multifunction Signal Detector with Infrared Camera GPS Checker for Bathroom Hotel Office Wireless Network Testing
£119.00 Save £30.00 RRP: £149.00
Expansion Board Entry-Level Sensor Kit with 15 Common Module All in One Design for DIY Projects Programming
£109.00
6X Two Beams 2 Beams Infrared Detector Alarm ABT-100 Perimeter Alarm Anti-Glare Up to 50000LUX
£159.00 Save £50.00 RRP: £209.00
2026 Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)-Good
£119.00 Save £80.00 RRP: £199.00
Sonoff Dw2 Wi-fi Wireless Door and Window Sensor
£109.00
Video Wall Controller 2X2 TV Wall Control Processor Support 4 Output 1080p High Definition Home Office Supply
£129.00 Save £40.00 RRP: £169.00
2025 Anti Spy RF Detector Bug Detector, Camera Finder Scanner, GPS Tracker Detector, Find and Locate Eavesdropping Device Auto Scan 4-in-1 Detector
£109.00 Save £60.00 RRP: £169.00