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Shop the best prices on 8,591 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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8,577 - 8,591 of 8,591
Magnetic Detecting Contacts Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Window Door Security(4.2 x 1.5 x 0.4in)
$33.95 Save $20.05 RRP: $54.00
Anti-Thief Wireless Door Alarm Abnormal Door Opening Immediate Alarm
$10.95 Save $6.00 RRP: $16.95
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 $11.00 RRP: $32.95
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 $11.00 RRP: $32.95
Tuya WiFiZigBee Smart Door Window Sensor Smart Home Wireless Door Detector
$9.95 Save $4.00 RRP: $13.95
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
$69.00 Save $40.00 RRP: $109.00
10 Pack Window Alarm Wireless Door Magnetic Sensor Alarm For Home Security System, Pool Door Alarm Edition 1107
$39.95 Save $49.05 RRP: $89.00
Wireless Infrared Gate Beam Sensor Anti Theft Alarm IP55 Waterproof for Station Automatic Door
$74.00 Save $35.00 RRP: $109.00
Anti-Thief Wireless Door Alarm Abnormal Door Opening Immediate Alarm
$10.95 Save $6.00 RRP: $16.95
Door Alarm, Wireless Door Window Contact Sensor For Kids Safety 4 Pcs
$28.95 Save $35.05 RRP: $64.00
Infrared Detector Door Light Sensor Burglar Alarm System
$64.00 Save $30.00 RRP: $94.00
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
$39.95 Save $24.05 RRP: $64.00
Automatic Infrared Beam Detector for Home Security Alarm Systems, 2-Piece Set, UK Safety Device
$45.95 Save $23.05 RRP: $69.00
Anti-Thief Wireless Door Alarm Abnormal Door Opening Immediate Alarm
$10.95 Save $6.00 RRP: $16.95
Infrared Detector Sensor 2 Beams Indoor 300m Outdoor 100m High Sensitive Waterproof Home Security Alarm
$33.95 Save $30.05 RRP: $64.00