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Shop the best prices on 9,806 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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1 - 32 of 9,806
Animal deterrent alarm for wild boar and theft prevention
$32.95 Save $41.05 RRP: $74.00
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced Home Safety B
$16.95 Save $9.00 RRP: $25.95
Garage Door Bracket for Ring Alarm Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Securi
$10.95 Save $6.00 RRP: $16.95
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor Anti-Burglary Window Security Alarm
$74.00 Save $40.00 RRP: $114.00
2025 Upgraded Camera Detector Professional Bug RF Detector Hidden Camera Finder
$129.00 Save $70.00 RRP: $199.00
New Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security Protection System
$10.95 Save $7.00 RRP: $17.95
Pool alarm for kids safety with wireless door sensor and remote
$54.00 Save $55.00 RRP: $109.00
Plush Horse Riding Stick for Kids with Soft Plush Head, Sturdy Wooden Pole Toy for Balance Development and Active Play
$37.95 Save $36.05 RRP: $74.00
E3F-20C1 3mm Laser Beam Photoelectric Switch Trough-beam Infrared Sensors NPN Switchs with LED
$25.95
1/4 Inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Included unbrand
$16.95
3pcs 433MHz Wireless Vibration Glass Break Detector, Adjustable Sensitivity, Compatible with Alarm Systems Black
$18.95 Save $10.00 RRP: $28.95
1/4 inch Ring Alarm Magnet Riser,5 Pack Mount to Any Doorway, Window hwy
$27.95
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor for Mi Home
$13.95 Save $39.00 RRP: $52.95
1/4 Inch Magnet Riser,10 Pack Mount to Any Doorway, Window, and Entryway,Ring Sensor/Magnet Not Incl
$26.95 Save $21.00 RRP: $47.95
Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home Light Change Controlled for Home
$45.95 Save $18.05 RRP: $64.00
4in Fake Tv Simulator With Ac Adaptor Anti-burglar And Theft Deterrent Home Security Timer And Sensor (5v British Standard Plug Type).
$28.95 Save $25.05 RRP: $54.00
Mini Stainless Steel Float Switch Tank Liquid Water Level Sensor Double Ball Float Switch Tank Pool Flow Sensors
$32.95
Wireless Door Sensor Alarm 433MHz Remote Control for Home Security Magnetic Window Access
$149.00 Save $60.00 RRP: $209.00
Wireless Door Sensor Alarm 433MHz Remote Control for Home Security Magnetic Window Access
$149.00 Save $60.00 RRP: $209.00
Door Handle Sensor Alarm for Export
$99.00 Save $40.00 RRP: $139.00
Wireless Door Sensor Alarm 433MHz Remote Control for Home Security Magnetic Induction Window Access
$104.00 Save $45.00 RRP: $149.00
Wireless Infrared Detector Wide Angle Probe Curtain Alarm Sensor
$149.00 Save $60.00 RRP: $209.00
Wireless Door Sensor Alarm 433MHz Remote Control for Home Security
$104.00 Save $45.00 RRP: $149.00
Reusable 85ft Trip Wire Reel 12 Gauge for Perimeter Alarm
$54.00 Save $25.00 RRP: $79.00
Solar Sound Light Motion Alarm Solar Animal Repeller Alarm Long Range Sound Light Outdoor Infrared Sensor Alarm with Remote Control for Orchard 1W 5V
$64.00 Save $40.00 RRP: $104.00
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
$10.95 Save $33.00 RRP: $43.95
Light Sensor Working with Smart Life App Linkage Intelligence Illumination Sensor Powered by TuYa
$30.95 Save $16.00 RRP: $46.95
Voice-Controlled Magnetic Sensor with App Notification Alert for Enhanced Home Security - 130dB Loud Alarm & Long Battery Life (1 Pack)
$25.95
Tuya WIFI Smart Door Window Magnetic Sensor Security Alarm Open Closed Detector Home for Anti-Theft Door Rolling Door
$18.95
WiFi Door Peephole Camera 2.4G 5G 1080P HD Wide Angle Lens 2 Way Talk Motion Detection Electronic Door Viewer for Home Silver
$84.00 Save $45.00 RRP: $129.00
Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Security
$21.95 Save $18.00 RRP: $39.95
2pcs Automatic Infrared Beam Detector Ir Alarm Sensor Door Light Sensor Burglar Alarm System
$25.95 Save $26.00 RRP: $51.95