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Security System Sensors

Shop the best prices on 10,821 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Nedis and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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225 - 256 of 3,200
2025 Anti-Theft Refrigerator And Freezer Alarm, Door Window Left Open, Reminders At 30 Seconds Edition 0830
$12.95 Save $13.00 RRP: $25.95
2025 Wifi Smart Door Window Sensor Alarm Detector Security Alexa Google
$11.95 Save $12.00 RRP: $23.95
2025 TUYA Zigbee Door Window Sensor Open Smart Security Alarms Compatible W/ Alexa
$9.95 Save $10.00 RRP: $19.95
25-26 2pcs Automatic Infrared Beam Detector Ir Alarm Sensor Door Light Sensor Burglar Alarm System Hao
$48.95 Save $50.05 RRP: $99.00
25-26 TUYA Zigbee 3.0 Window Door Sensor for Smart Hub App
$10.95 Save $10.00 RRP: $20.95
25-26 Waterproof 12V Infrared Photocell Sensor Automatic Gate Barrier Opener
$23.95 Save $24.00 RRP: $47.95
For Door Window Alarms Adjustable Volume Door Window Alarm Sensor 2025
$129.00 Save $120.00 RRP: $249.00
2025 2pack Freezer Door Alarm,3/15/30/60 Seconds Wireless Fridge Alarm,4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db
$33.95 Save $35.05 RRP: $69.00
2025 Wireless Home Doors Windows Security Entry Alarm System Pack 3
$33.95 Save $35.05 RRP: $69.00
2025 Smart Wireless PIR Sensor 110° Wide View Angle Remote Infrared Alarm for Factory Warehouse
$24.95 Save $25.00 RRP: $49.95
2025 S200 Mini Camera Detector Multifunctional Anti Theft Pocket LED Security Alarm with Flash Light
$44.95 Save $44.05 RRP: $89.00
For Magnetic Door Switch Rc33 Nc Recessed Wired Sensor Alarm 10 25-26s
$84.00 Save $85.00 RRP: $169.00
Tuya ZIGBEE Wall Emergency Button APP Smart Home Sensor 8x6 ZigBee Intelligent Remote Alarm
$29.95 Save $14.00 RRP: $43.95
Magnetic Switch Alarm Sensor Overhead Garage Door Contacts with L Bracket
$13.95 Save $45.05 RRP: $59.00
Plush Horse Riding Stick for Kids with Soft Plush Head, Sturdy Wooden Pole Toy for Balance Development and Active Play
$32.95 Save $106.05 RRP: $139.00
Zigbee Smart Rain Sensor for Outdoor Wireless Rain Detection
$18.95 Save $18.00 RRP: $36.95
Door Magnetic Contacts Switch Sensor Anti Theft Universal Strong Magnetic Door Magnetic Contact Switch for Door
$29.95 Save $29.05 RRP: $59.00
Window Door Alarm Vending Machine Alarm Home Hotel Anti Theft Ultra Slim Shaking Sensor Alarm
$21.95 Save $47.05 RRP: $69.00
TV Simulator with AC Adaptor Anti-Burglar and Theft Deterrent Home Security Timer and Sensor,EU Pl
$23.95 Save $50.05 RRP: $74.00
Garage Parking Assist, Led Park Assist Alarm, Garage Parking Sensor Aid, Led Stop Sign Bumper Sensor With Adjustable Height, Battery Operated, Wall Mo unbrand
$39.95 Save $19.05 RRP: $59.00
EAS Security Tag Remover Hook, Handheld Detacher Key for Clothing Retail Stores well
$29.95 Save $29.05 RRP: $59.00
M8 Commercial Wireless Door Magnet Sensor Chime with 2 Transmitters & 2 Receivers for Visitor Alert
$52.95 Save $66.05 RRP: $119.00
WiFi Smart Door Sensor, Open/Closed Detector for Home Security, 1/2/3pcs, Smart Life App Control, Wireless Door Alarm System
$59.00 Save $45.00 RRP: $104.00
Tuya Smart WiFi Window Gate Door Sensor Open Close Detector App Notification Alert Security Alarm Smart Life Alexa Google Home
$64.00 Save $10.00 RRP: $74.00
Wireless Electric Doorbell Kit With 1 Receiver And 1 Pir Motion Detector Sensor Alarm Visitor Security Alarm With Music Melody
$33.95 Save $75.05 RRP: $109.00
2pcs Automatic Infrared Beam Detector Alarm Sensor, IR Door Light for Burglar Alarm System
$79.00 Save $80.00 RRP: $159.00
Sensor Elektroweb Mc-38 No 26s
$8.95 Save $8.00 RRP: $16.95
WSD022 Zigbee Smart Home Temperature Humidity Detector Indoor Wireless Sensor 26s
$22.95 Save $22.00 RRP: $44.95
25-26 Smart WiFi Door And Window Alarm Sensor, Realtime Smart Door Sensor Sound Alarm, Pool Alarm For Kids Safety, Detector Security Alarm
$16.95 Save $17.00 RRP: $33.95
25-26 Glass Break Detector High Sensitivity Sdjustable Window Alarm Glass Break Sensor for Home Security
$9.95 Save $10.00 RRP: $19.95
25-26 2pcs Automatic Infrared Beam Detector Ir Alarm Sensor Door Light Sensor Burglar Alarm System S202412
$30.95 Save $33.05 RRP: $64.00
25-26 AUBESS Tuya Smart ZigBee 3.0 Smart Temperature And Humidity Sensor Monitoring
$84.00 Save $85.00 RRP: $169.00