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Shop the best prices on 11,353 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Other and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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2,081 - 2,112 of 3,200
4pcs Door Window Sensor Zigbee Wireless Connection Smart Mini Door Sensor Work for Gateway Mi Home
$129.00 Save $50.00 RRP: $179.00
Tuya Smart Vibration Sensor ZigBee Tuya Sensor Monitor App Control Security Protection Zigbee Sensor Motion Shock Alarm unbrand
$14.95
Tuya Zigbee Multifunctional Pressure Sensor Flexible Thin Film Pressure Sensor Smart Linkage Smart Life APP Length 80cm unbrand
$45.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (20 Sets)
$20.95 Save $11.00 RRP: $31.95
LQ-698 Tuya Smart Home Wireless Temperature And Humidity Detector Sensor, Need to be used with Gateway (TBD05620685)
$42.95
4X Infrared Beam Sensor for Gates, Doors & Window - External Alarm Detector
$20.95 Save $13.00 RRP: $33.95
2X Magnetic Switch Alarm Sensor Overhead Garage Door Contacts with L Bracket
$28.95 Save $18.00 RRP: $46.95
2X Tuya WiFi Smart Door Window Sensor Home Indoor Door Magnetic Detector Compatible with Alexa & Google Home White
$18.95 Save $10.00 RRP: $28.95
Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home(4PCS)
$32.95 Save $18.00 RRP: $50.95
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 Jske
$54.00 Save $45.00 RRP: $99.00
2X Tuya Wifi Door Sensor Window Entry Sensor Security Burglar Magnetic Sensor Alarm Smart Life for APP Remote Control
$19.95 Save $12.00 RRP: $31.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (30 Sets)
$31.95 Save $17.00 RRP: $48.95
Bed Wetting Wireless Alarm Urine Sensor Rechargeable Pee Wet Alarm With Receiver
$104.00 Save $65.00 RRP: $169.00
3X Tuya Zigbee Door Window Sensors Wireless Smart Life Magnetic Door Sensor APP Remote Control
$33.95 Save $20.05 RRP: $54.00
Tuya ZigBee Gas Leak Detector Smart Alarm Sensor Combustible Gas Leakage Alarm for Home Security APP Remote Control
$35.95 Save $23.05 RRP: $59.00
2PCS Tuya Smart WiFi SOS Button Emergency Wireless Security Alarm Panic Device for Safety Smart Life Remote
$26.95 Save $15.00 RRP: $41.95
4in1 Multi-Functional Door Magnetic Alarm Touch Button Door and Window Alarm Displacement Alarm Sensor 125dB
$10.95 Save $8.00 RRP: $18.95
Tuya WiFi Smart Door Sensor Home Security Protection Smart Life APP Door Window Senso
$19.95 Save $11.00 RRP: $30.95
Tuya WiFi Vibration Sensor Door Window Glass Broken Detector Home Security Anti-Theft Smart Life APP Real-Time Alert B
$33.95 Save $19.00 RRP: $52.95
Infrared Photoelectric Sensor Beam 12v/24v Outdoor Waterproof Infrared Sensor Gate Signal for Slide Gate Opener Safety
$12.95 Save $8.00 RRP: $20.95
ZigBee Temperature Sensor Alarm Digital Ambient Thermometer Tuya Smart Life App Remote Control Home Automation EU PLUG
$49.95 Save $34.05 RRP: $84.00
Trip Wire on Reusable Reel (3 Pack) - Early Warning Perimeter Defense for All Devices 85FT Line on Easy Wind Reel
$17.95
2X Sensor Infrared Safety Beam Photocell Detector for Garage Gate / Swing / Sliding Door Access System
$27.95
2X Tuya Intelligent Pressure Sensor for ZigBee Gravity Detection Automation Scene Linkage 400mm
$74.00
8X Magnetic Sensor Home Door Window Entry Warning Alarm Switch
$15.95
Smart Zigbee Vibration Motion Sensor App Control Security Protection Motion Shock Alarm ZG-103ZL
$31.95
PIR+Light Sensor+Temperature/Humidity+USB Human Presence Sensor Zigbee Low-Power Temperature/Humidity Light Sensor
$34.95
Current Sensor Module PCB Small 5V Relay AC Overcurrent Protection Detection Device
$16.95 Save $19.00 RRP: $35.95
1 Pair Home Security Single Beam Infrared Detector Anti-theft Counterfire Alarm Infrared Sensor
$10.95 Save $12.00 RRP: $22.95
Magnetic Door Switch RC-33 NC Recessed Wired Sensor Alarm (10 Sets)
$13.95 Save $16.00 RRP: $29.95
Fake TV Simulator with AC Adaptor for Anti-burglar and Theft Deterrent Home Security - Timer and Sensor (5V British Standard Plug Type)-Good Ydcy
$10.95 Save $13.00 RRP: $23.95
2pcs Infrared Beam Detector Burglar Ir Alarm Sensor Automatic Door Light Sensor Alarm System
$47.95 Save $36.05 RRP: $84.00