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Shop the best prices on 5,731 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ebox, Nedis and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1,505 - 1,536 of 3,200
WiFi Door Sensor Magnetic Triggered Door Sensor with Phone Notification
$28.95 Save $45.05 RRP: $74.00
Door Window Alarm Home Security Door And Window Detector Magnetic Sensor Burglar Alert
$16.95 Save $10.00 RRP: $26.95
Intelligent Audios Detection Sound Monitor Embedded in Security Camera Triggering Alarms on Suspicious Sounds Automatically Multicolor
$15.95 Save $2.00 RRP: $17.95
10m to 15m Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrared Photocells
$24.95 Save $154.05 RRP: $179.00
Bouton d'alarme d'urgence sans fil SOS
$16.95 Save $5.00 RRP: $21.95
Tuya ZigBee Gas Leak Detector Smart Alarm Sensor Combustible Gas Leakage Alarm for Home Security APP Remote Control
$35.95 Save $18.05 RRP: $54.00
Tuya Wifi Smart Door Sensor Window Entry Sensor with Scene Interaction Button Smart Life for APP Remote Control
$16.95 Save $9.00 RRP: $25.95
4PCS Tuya WiFi Vibration Detector Sensor Wireless Vibration Detector Real-Time Smart Life App Alerts for Home Security
$41.95 Save $22.05 RRP: $64.00
5-Level Sensitivity Adjustment Window Glass Break Vibration+Magnetic Door Sensor, Requires Alarm Host to Operate
$28.95 Save $15.00 RRP: $43.95
Fuel Door Lock Actuator Fast Response 78850 AM80A Replacement for Infiniti EX37 FX37 EX35 FX45 FX50 G25 M35h
$32.95 Save $9.00 RRP: $41.95
Light Curtain Sensor Switch Safety Light Grating Security Device (12 Beams BEM1240‑A‑440NB)
$219.00 Save $70.00 RRP: $289.00
2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Window Open Close Status DS3 Works with G2
$25.95 Save $16.00 RRP: $41.95
2x Mounting Plate for Nest Cam Flexible Outdoor or Indoor Replacement
$36.95 Save $11.00 RRP: $47.95
433Mhz Wireless Infrared Alarm Detector, Infrared Sensor Probe for Home Security
$84.00 Save $75.00 RRP: $159.00
Tuya WiFi Smart Door Window Sensor Home Indoor Door Magnetic Detector Compatible with & Home White
$12.95 Save $5.00 RRP: $17.95
2 Pack Wireless Door Window Freezer Door Alarm 3/15/30/60 Seconds Adjustable Delay Wireless Open Sensor
$30.95 Save $68.05 RRP: $99.00
2Pack Freezer Door Alarm,3/15/30/60 Seconds Wireless Fridge Alarm,4 in 1 Door Sensor Doorbell Door Open Alarm Loud108dB
$30.95 Save $68.05 RRP: $99.00
Door Window Alarm 125DB Door Alarms Anti-theft Alarm Sensor for Kids Safety
$7.95 Save $30.00 RRP: $37.95
120 Wireless Touch Sensor Security Alarm Loud Door Knob Entry Alert Anti Theft SHYTMV
$13.95 Save $28.00 RRP: $41.95
Door And Window Alarm, Wireless Door And Window Detectors With Remote Control And Batteries, Anti-intrusion Anti-theft Magnetic Sensor For Home And Ki
$28.95 Save $60.05 RRP: $89.00
Smart Door Window Sensor Smart Home Door Detectors Door And Window Burglar Alarms Door Open Alarm
$11.95 Save $36.00 RRP: $47.95
Magnetic Reed Switch NC Surface Mount Wired Door Window Contact Sensor Pack of 5 for Home Security
$33.95 Save $16.00 RRP: $49.95
4PCS NC Recessed Wired Door Window Contact Sensor, Hidden Magnetic Reed Switch for Home Security
$29.95 Save $14.00 RRP: $43.95
MC52 Magnetic Door Contact Reed Switch NC for Security Alarm Door Window Sensor, Compact Durable Design
$22.95 Save $11.00 RRP: $33.95
Garage Door Bracket for Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accessory
$10.95
2.4GHz Wireless TTLOCK Door Sensor
$26.95
1 Pair Automated Gate Safe Infrared Detector Sensor/ Swing /Sliding/Garage Gate / Door Safety Infrared Photocells
$20.95
Bug Detector with Full Frequency Band Detection and Dual Channel Hidden Camera Finder for Venues White
$33.95 Save $14.00 RRP: $47.95
WiFi Door Window Sensor for Smart Home Security Compatible with Tuya App, Instant Alerts, Easy Installation
$22.95 Save $11.00 RRP: $33.95
Door and Window Alarm 110dB Loud Magnetic Sensor 4 Modes for Home Office Garage Refrigerator 9 Pack
$84.00 Save $45.00 RRP: $129.00
Tuya Zigbee Wifi Smart Door Sensor Door Open Closed Detector Security
$35.95 Save $4.00 RRP: $39.95
MC-31 Wired Surface-Mounted NC Magnetic Door Window Contact Sensor Alarm Reed Switch White Pack of 5 with 20pcs Screws Multicolor
$28.95