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Shop the best prices on 11,223 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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385 - 416 of 3,200
10 Sets Recessed Wired Security Window Door Sensor DC100V 10W Magnetic Door Sensor for Access Contro
$46.95
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More
$16.95 Save $34.00 RRP: $50.95
SONOFF DW2 Wireless Door Sensor: Smart Home Security Detector with Alexa Compatibility
$34.95 Save $13.00 RRP: $47.95
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
$15.95 Save $5.00 RRP: $20.95
Wireless Door and Window Vibration Sensor Alarm 125dB Glass Breakage Anti-Theft Sensor, Easy Install
$12.95 Save $4.00 RRP: $16.95
Fishing Infrared Sensor Alarm for Day and Night Time Fishing Camping Hunting
$45.95
Door Anti Burglar Protection Kit 911770 Door Security Device Replacement for Peugeot Boxer
$50.95
Door Sensor Alarms Home Security Anti Theft Burglar Door Window Entry Open Sensor Alarms for Home Apartment
$12.95 Save $6.00 RRP: $18.95
Door And Window Alarm, 2 Remote Controls, 130db Siren, Adjustable Volume, 5 Function Modes Alarm, Magnetic Security Sensor, Wireless Home Alarm For Ho
$36.95 Save $52.05 RRP: $89.00
10 Pack Window Alarm Wireless Door Magnetic Sensor Alarm For Home Security System, Pool Door Alarm Edition 0922
$36.95 Save $47.05 RRP: $84.00
Proximity Switch Universal Approach Sensor Waterproof 3 Wire Accessory DC6?36V M18TOSD?04?503 NPN Normally Open
$79.00
Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home S Edition 0710
$7.95 Save $25.00 RRP: $32.95
Glass Break Detectors, Window Alarm With 125 Db Alarm, Glass Vibration Sensor Alarm(2 Pcs) Banban SZRH
$38.95 Save $80.05 RRP: $119.00
Smart Motion Sensor,wifi Wireless Security Alarm,with Free Notification
$51.95 Save $27.05 RRP: $79.00
1Pack Smart WiFi Door Sensor, Wireless Door Window Detector Alarm, Smart Door Window Contact Sensor for Home Security.
$40.95 Save $23.05 RRP: $64.00
Security Window & Door Alarm Sensors(no Sound), Wireless Connection Tuya App2.4G , Not 5G, Burglar Alarm for Kids Safety Home Security,5 Pack, FJ122-H
$129.00 Save $40.00 RRP: $169.00
Door Window Sensor Detector Wireless Open Contact Sensor WiFi APP Timer Magnet Back Adhesive Sharing Security Sensor Alarm for ZigBee for Tuya
$19.95 Save $19.00 RRP: $38.95
Security Window & Door Alarm Sensors(no Sound), Wireless Connection Tuya App2.4G , Not 5G, Burglar Alarm for Kids Safety Home Security,3 Pack, FJ122-H
$84.00 Save $20.00 RRP: $104.00
Exquisite CoRui Tuya Smart ZigBee Door Window Sensor Smart Home APP Remote Alarm Portable GPS Tracker Key Finder Tr-Und Fenstersensoren
$19.95 Save $19.00 RRP: $38.95
Infrared Beam Detector Burglar Ir Alarms Sensor Alarm System (PrettyJ)
$11.95 Save $6.00 RRP: $17.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets) unbrand
$16.95
Split Type Door and Window Sensor Door Magnet Sensor 60 Songs Protection Security Anti-Theft Volume Reminder EU White
$23.95
Garage Door Bracket for Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accessory
$10.95
Magnetic Sensor Home Door Window Entry Warning Alarm Switch
$6.95
Tuya Intelligent Pressure Sensor for ZigBee Detection 400mm
$42.95
Tuya Smart ZigBee 3.0 Smart Humidity Sensor with Tuya Smart (C)
$18.95
Tuya Zigbee Smart Door Sensor Door Security Burglar Door Sensor Home Burglar Alarm Security APP
$37.95 Save $36.05 RRP: $74.00
2 Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 in 1 Door Sensor Doorbell Door Open Alarm Loud108dB
$37.95 Save $26.05 RRP: $64.00
WiFi Smart Door Sensor 2-Piece Set Alexa Compatible Wireless Door and Window Alarm
$50.95
ZigBee door and window sensor SNZB-04P smart home connection requires S0N0FF hub
$46.95
2025 ZigBee NEO 90DB Sound and Light Sensor Tuya Smart Life Built-in Siren
$17.95 Save $18.00 RRP: $35.95
Magnetic Reed Switch Contact Sensor Alarm for Door & Window Security
$30.95 Save $48.05 RRP: $79.00