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Security System Sensors

Shop the best prices on 10,973 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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1,249 - 1,280 of 3,200
5-24VDC PIR Sensor 24 Steps Stair Light Controller ES24 SPI
$74.00 Save $10.00 RRP: $84.00
Electronic Bed Bug Detector with High Sensitivity, XX Model
$12.95 Save $6.00 RRP: $18.95
Pair Universal Infrared Photocells For Automatic Outdoor Sensor For Garage Gate 12v-24v Ac Dc
$69.00 Save $60.00 RRP: $129.00
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
$22.95 Save $11.00 RRP: $33.95
Wifi Door Window Sensor App Smart Home Security Protection Door Open Closed Detector For Alexa Yandex
$3.95
Expansion Board Module Kit For Pico W Gpio Expansion Board 4-channel Relay Io Sensor Debugging Module Kit A
$28.95
Wifi Door 2.4Ghz 164ft Anti Theft Door Window Alarm Home Security Wireless Magnetic Sensor White
$26.95 Save $32.05 RRP: $59.00
Surface Mount Wired Nc Door Contact Sensor Alarm For Door Window Cabinets 10pcs
$19.95 Save $14.00 RRP: $33.95
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (10 Sets)
$23.95 Save $9.00 RRP: $32.95
Perimeter Trip Alarm Wire Device 51g Aluminum Alloy Style 1
$25.95 Save $9.00 RRP: $34.95
Trip Wire Alarm 82ft Tensile Perimeter Security Cord with Reusable Reel for Camping and Survival
$23.95 Save $10.00 RRP: $33.95
Smart WiFi Door Sensor Wireless Window Alarm with 130dB Siren and RealTime Phone Alerts
$31.95 Save $13.00 RRP: $44.95
WiFi Door Sensor and Wireless Window Alarm 3Pack, Smart App Control, Long Battery Life, No Hub Required
$46.95 Save $22.05 RRP: $69.00
Wi-Fi Door Window Sensor Set Smart Alarm 3V White 90x50x25mm
$22.95 Save $9.00 RRP: $31.95
Magnetic Door Sensor for Rolling Gates and Shutter Doors, Heavy Duty Contact Switch with Strong Hold
$23.95 Save $10.00 RRP: $33.95
Doorstop Security-Alarm for Home Travel Wireless Vibration Sensor Home Securitys Alarm Burglar With Button
$13.95 Save $10.00 RRP: $23.95
2pcs Garage Door Bracket for Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Ac
$24.95 Save $39.05 RRP: $64.00
Tuya Zigbee Door Window Sensor A Burglar Alarm Smart Home Automation Security Protection Smart Life
$11.95 Save $38.00 RRP: $49.95
Car Climate Sensor 5QJ907643 Suitable for Enhances Air Quality Monitoring & Comfort Commuters And Long Distance Traveler
$41.95
Wire Door Magnetic Switches for Office Home Security Recessed Wire Window Door Contact Sensors Alarm Magnetic Switches White
$26.95
BERM Inductive Proximity Switch 4mm Distance Detection Sensor DC10~30V 3 Wire PNP NO
$12.95 Save $15.00 RRP: $27.95
Multifunction Signal Detector with Infrared Camera GPS Checker for Bathroom Hotel Office Wireless Network Testing
$189.00 Save $90.00 RRP: $279.00
Professional Magnetic Detacher for Hard Security Tags on Clothes
$35.95 Save $38.05 RRP: $74.00
Outdoor Door Window Magnetic Alarm Wireless Sensor Waterproof Monitor Burglar Anti Theft Home Security
$20.95 Save $38.05 RRP: $59.00
Wireless Electric Doorbell Kit With 1 Receiver And 1 Pir Motion Detector Sensor Alarm Visitor Security Alarm With Music Melody
$40.95 Save $23.05 RRP: $64.00
Infrared Sensor Switch NonTouch Access Control System Backlit Button DC12V
$19.95 Save $7.00 RRP: $26.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alarm
$69.00 Save $35.00 RRP: $104.00
Infrared Sensor Switch NonTouch Access Control System Backlit Button DC12V
$17.95 Save $9.00 RRP: $26.95
25-26 Refrigerator Door Alarm Open Alarm with Adjustable Voice Notifications Window Sensor, Voice Warning Door Lock Reminder for Garage Cell
$22.95 Save $22.00 RRP: $44.95
Security Window & Door Alarm Sensors(no Sound), Wireless Connection Tuya App2.4G , Not 5G, Burglar Alarm for Kids Safety Home Security,4 Pack, FJ122-H
$129.00 Save $60.00 RRP: $189.00
Chuango 315Mhz DWC-102 Door Window Alarm Sensor Wireless Automation Home Intrusion Detector
$43.95 Save $5.00 RRP: $48.95
Wifi Doorbell With Magnetic Triggered Sensor For Window And Door Security 8.20X4.20X1.60cm White 1Set
$21.95 Save $11.00 RRP: $32.95