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Shop the best prices on 10,950 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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2,209 - 2,240 of 3,200
2025 JWL-Wireless Door Window Burglar Sensor Alarm 4 Modes Door Open Detectors Freezers Close Reminder Security Protection Alert
$64.00 Save $65.00 RRP: $129.00
2x Tuya Smart WiFi Door Sensor Window Sensor Door Magnetic Alarm Detector 26-27s
$35.95 Save $38.05 RRP: $74.00
2026 Wireless Infrared Gate Beam Sensor Anti Theft Alarm IP55 Waterproof for Station Automatic Door
$64.00 Save $65.00 RRP: $129.00
2025 Wireless Door bell Motion Sensor Home Security Door open alarm Entry Chime
$34.95 Save $34.05 RRP: $69.00
2pcs Tuya Wifi Smart Door Sensor Smart Home Security Protection Smart Life Control Smart Life APP Door Open Closed Detectors 2025
$32.95 Save $31.05 RRP: $64.00
Ultra-slim Round Door / Window Alert Detect Vibration Sensor Alarm for Home Alarms Security
$20.95
Door sensor wireless delay door alarm HG
$26.95 Save $14.00 RRP: $40.95
Car 4 Way Circuit Standard Ato Blade Fuse Box Block Holder 12v/24v+4 Way Fuse
$12.95 Save $4.00 RRP: $16.95
Pack Of 2 E14 Lamp 85-265v 2w Led Light Bulb For Refrigerator - Power Equivalent To A 15 Watt Lamp, Cool White - 6500k
$11.95 Save $5.00 RRP: $16.95
Wireless Mailbox Alarm with 800 Ft Range - Mail Chime Notification System & Mail Alert
$59.00 Save $70.00 RRP: $129.00
Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Door Alarm 2 Pack
$41.95 Save $4.00 RRP: $45.95
Door And Window Alarm, Wireless Door And Window Detectors With Remote Control And Batteries, Anti-intrusion Anti-theft Magnetic Sensor For Home And Ki
$119.00 Save $80.00 RRP: $199.00
4PCS Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Home Security System
$54.00 Save $5.00 RRP: $59.00
Tuya Intelligent Pressure Sensor for ZigBee Detection Automation Scene Linkage 400mm
$40.95 Save $4.00 RRP: $44.95
Door Magnetic Alarm Wireless Door and Window Anti-Theft Alarm Home Anti-Theft Door Opening Sensor 10 Pcs
$29.95 Save $6.00 RRP: $35.95
Smart WiFi Door and Window Alarm Sensor with Open/Close Detection Function, Remote Anti-Theft Alarm
$26.95 Save $6.00 RRP: $32.95
Tuya ZigBee Vibration Sensor Smart Home Vibrator Door Window Break Burglar Detector Smart Life APP Security Protection
$26.95 Save $6.00 RRP: $32.95
Anti-Thief Wireless Door Alarm Abnormal Door Opening Immediate Alarm_i*
$10.95 Save $23.00 RRP: $33.95
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_
$21.95 Save $27.00 RRP: $48.95
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More-2025
$17.95 Save $15.00 RRP: $32.95
Anti-Thief Wireless Door Alarm Abnormal Door Opening Immediate Alarm_i*
$10.95 Save $23.00 RRP: $33.95
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
$79.00 Save $40.00 RRP: $119.00
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More-2025
$17.95 Save $20.00 RRP: $37.95
SNZB-04P Zigbee Door and Window Sensor Local Smart Scene Linkage Tamper Alarm Security Compatible with Alexa Home
$26.95
10 Sets Magnetic Reed Switch DC100V NC Recessed Wired Door Window Contact Sensor Switch for Alarm Sy
$33.95
10 Sets Recessed Wired Security Window Door Sensor DC100V 10W Magnetic Door Sensor for Access Contro
$46.95
Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System
$30.95 Save $33.05 RRP: $64.00
Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System
$20.95 Save $20.00 RRP: $40.95
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor Anti-Burglary Window Security Alar
$54.00 Save $15.00 RRP: $69.00
Door And Window Sensors 5pcs Mc-38 Recessed Wired Door Window Sensor Door Window Alarm Magnetic Switch
$15.95 Save $16.00 RRP: $31.95
10pcs Wired Door Window Sensor Magnetic Switch for Home Security Alarm System Compatible with Burglar Protection
$12.95 Save $7.00 RRP: $19.95
1~5PCS New Longer Door Window Wireless Burglar Alarm With Magnetic Sensor Home Safety Wireless Longer System Security Device
$13.95