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Shop the best prices on 10,764 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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2,657 - 2,688 of 3,200
Freezer Door Alarms, Window Security Alarm, Wireless Fridge Alarm, 4 in 1 Door Sensor Doorbell Loud Door Opening Alarm 108dB
$48.95 Save $10.05 RRP: $59.00
Door Alarm Contact Sensor Wireless WiFi Smart Magnetic Door Detector for Home Garage Apartment 3V
$11.95 Save $4.00 RRP: $15.95
Hand Knitting Car Ornaments Decorative Rainbow-Shape Car Pendant for Vehicle Office Door Window Balcony
$8.95 Save $20.00 RRP: $28.95
Door sensor wireless delay door alarm HG
$26.95 Save $14.00 RRP: $40.95
Door Window Sensor Quick Response Data Storage Voice Operation Red LED Door Alarm
$51.95 Save $52.05 RRP: $104.00
Bed Wetting Wireless Alarm Urine Sensor Rechargeable Pee Wet Alarm With Receiver
$79.00 Save $30.00 RRP: $109.00
Security alarm for wild boar and animal repellent
$23.95 Save $40.05 RRP: $64.00
8pcs New Longer Door Window Wireless Burglar Alarm With Magnetic Sensor Home Safety Wireless Longer System Security Device
$24.95 Save $44.05 RRP: $69.00
Wifi PIR Motion Detector Intelligent Infrared Alarm Sensor Anti Theft 110° Wide Angle Detection for Tuya
$21.95 Save $42.05 RRP: $64.00
Infrared beam detector for home security - Burglar alarm system with IR sensor
$69.00 Save $35.00 RRP: $104.00
Kids safety alarm for pool with wireless door and window sensor
$40.95 Save $68.05 RRP: $109.00
Freezer security alarm for home - 2 pack wireless 108db door sensor
$18.95 Save $100.05 RRP: $119.00
Infrared beam detector for home security alarm system
$54.00 Save $25.00 RRP: $79.00
Security alarm sensor for house - 2pcs wired PIR motion detectors
$23.95 Save $55.05 RRP: $79.00
Intelligent Audios Detection Sound Monitor Embedded in Security Camera Triggering Alarms on Suspicious Sounds Automatically Multicolor
$17.95
Wired Metal Door and Window Magnetic Contact Sensor Detector Switch Alarm
$33.95 Save $35.05 RRP: $69.00
Wireless door alarm for home with powerful siren and magnetic sensor
$51.95 Save $27.05 RRP: $79.00
Intelligent Light Detection Device Wireless Home Automation Integration Small Designs Low Power Sensors for Home
$50.95
Magnetic Door Window Contact Sensor Alarm Wired-Security Home Burglars Alarm NO/NC Magnetic Switchs Easy to Install
$21.95
Magnetic Wireless Door And Window Open Detector Alarms Contact Sensors For Comprehensive Home Security Easy Installation
$49.95
Magnetic Wireless Door And Window Open Detector Alarms Contact Sensors For Comprehensive Home Security Easy Installation
$25.95
Wireless Home Security Burglar Alarm Magnetic Sensor Door Window Alarm Super Loud Apartment Door Window Pool Alarm Set
$17.95
Loud 130dB Wireless Door Open Detector Magnetic Alarm Sensors For Garage Door Window Real Time Alerts Easy Installation
$25.95
Professional Boat Engine Hood Door Alert System Suitable for Transportation and Logistics Monitoring Unauthorized Access
$14.95
3 Wheel Motorcycle TPMS System with 3 External Sensors Real Time Tire Pressure Temperature Monitor Alarm for Trikes
$129.00 Save $130.00 RRP: $259.00
Freezer/Fridge Door Alarm When Left Open Safety Window Alarm 3/15/30/60s Adjustable Delay 4-in-1 Door Sensor Chime_kex3
$29.95 Save $22.00 RRP: $51.95
10W Magnetic Reed Switch Zinc Alloy Responsive NC Door Window Contact Sensor for Garage Warehouse Shop 100V
$19.95 Save $39.05 RRP: $59.00
Magnetic Door Window Contact Sensor Alarm Reed Switch Security Burglar Alarm
$10.95 Save $36.00 RRP: $46.95
Pack Of 2 E14 Lamp 85-265v 2w Led Light Bulb For Refrigerator - Power Equivalent To A 15 Watt Lamp, Cool White - 6500k
$7.95 Save $4.00 RRP: $11.95
Light Sensor Smart Automatic Adjustment Wireless Connection WiFi Brightness Sensor for Tuya for Living Room Bedroom for Zigbee Type
$36.95 Save $11.00 RRP: $47.95
Door Window Alarm Sensor 125dB Sound DIY Protection Alarm System for Home Dormitories Office Hotel
$17.95 Save $6.00 RRP: $23.95
Smart WiFi Door Window Open/Closed Sensor Detectors Voice Control for Google Home for Tuya
$21.95 Save $6.00 RRP: $27.95