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Security System Sensors

Shop the best prices on 10,602 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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193 - 224 of 3,200
Freezer Door Alarm When Left Open, Safety Window Alarm, 3/15/30/60 Seconds Adjustable Delay Wireless Fridge Alarm, 4-in-1 Door Sensor Chime Door Open
$28.95 Save $21.00 RRP: $49.95
Door Window Sensor Detector Home Security Magnetic Sensor Door Window Anti-theft Alarm Surface Mount Strong Concealments
$32.95
DC12V Infrared Photocell Beam Sensor Automatic Gate Door Garage Shutter Barrier Detector for Door Wi
$23.95 Save $7.00 RRP: $30.95
Tuya Zigbee Smart Light Sensor Light Brightness Sensor
$19.95
Infrared Beam Detector Sensor for Door Security Alarm System 2pcs
$44.95
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches compatible Enhanced Home Safety B
$27.95 Save $31.05 RRP: $59.00
Smart Light Sensor with Thread Technology for Indoor Lighting Control and Energy Saving
$39.95 Save $19.05 RRP: $59.00
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security
$19.95 Save $3.00 RRP: $22.95
Tuya WIFI Smart Door Window Magnetic Sensor Security Alarm Open Closed Detector Home for Anti-Theft
$17.95 Save $1.00 RRP: $18.95
TUYA Zigbee Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor Smart Home 1M
$19.95 Save $1.00 RRP: $20.95
Tuya Smart WIFI Door Sensor Breaking in Protection Alarm Anti-Theft 90DB Window Open Detector Voice
$18.95 Save $2.00 RRP: $20.95
5 Pairs MC38 Wired Door Window Magnetic Sensor Contact Switch for Home Security Alarm
$29.95 Save $14.00 RRP: $43.95
Smart Vibration Sensor with Adjustable Sensitivity Compatible with Tuya Home Security Motion Detector
$28.95 Save $15.00 RRP: $43.95
Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security
$16.95 Save $4.00 RRP: $20.95
Door and Window Sensors 5pcs MC-38 Recessed Wired Door Window Sensor Door Window Alarm Magnetic Switch
$35.95 Save $103.05 RRP: $139.00
High Durability Magnetic Door Window Sensor - Wired NC Security Alarm for Home Safety
$47.95
Magnetic Door Switch NC Recessed Wired Security Window Door Sensor Alarm White - (10 Sets)
$17.95
2pcs Solar LED Vehicle Burglar Alarm 10 LED Anti-theft Warning Light Vibration Sensor Motorcycle Collision Flashing Light
$69.00
Tuya Smart Door Window Alarm Sensor Door Magnetic Remote Sound and Light Password Disarm Tuya Smart Home
$32.95 Save $41.05 RRP: $74.00
WiFi Door Window Sensor APP Smart Home Security Protection Door Open Closed Detector for Alexa Yandex
$21.95 Save $29.00 RRP: $50.95
Tuya ZigBee Door Window Sensor Anti-Theft Alarm Smart Home Wireless Detector APP Remote Work with Home
$20.95 Save $28.00 RRP: $48.95
Door Window Alarm 4PCS Home Security Magnetic Sensor 130DB Alert for Home Use
$59.00
Fake TV Simulator with AC Adaptor for Anti-burglar and Theft Deterrent Home Security - Timer and Sensor (5V British Standard Plug Type) Ydcy
$10.95 Save $12.00 RRP: $22.95
Door Open Alarm Smart Door Window Sensor Smart Home Door Detectors Door And Window Burglar Alarms
$16.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
$24.95 Save $8.00 RRP: $32.95
Touch Sensor Door Handle Alarm Anti Theft Vibration Window Burglar Alert Home Security Door Alarm A
$29.95 Save $11.00 RRP: $40.95
Passage Alarm, Shop Bell, Wireless Alarm System With Motion Detector, Access Gift-AC
$64.00 Save $40.00 RRP: $104.00
4pcs Car Tpms Tire Pressure Monitor Warning System Sensor A0009054100 For - E-class W212 W204 X253
$64.00 Save $25.00 RRP: $89.00
Tuya WiFi Door Magnetic Sensor Remote Intelligent Linkage Doors Windows Switch Anti-alarm APP Reminder Alarm Tuya Door Magnetic Sensor
$25.95
433MHz Door Magnetic Contact Switch Wireless Sensor Detector Switch for Home Garage Alarm Security
$21.95 Save $13.00 RRP: $34.95
Intelligent Home Automation Light Sensors Energy Saving Solar Light Detector for Outdoor Brightness Sensors Accessories Multicolor
$79.00
Metal Wireds Magnetic Door Window Contact Sensor Switches Door Window Sensors Detector for Home Security Alarm System Multicolor
$35.95