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Shop the best prices on 8,905 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ebox, Elriven and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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2,465 - 2,496 of 3,200
Glass Break Alarm 125dB Window Vibration Detector Sensor Alarm 3 Pack Ultra-Slim Anti-Theft Alarm for Door and Window with Ajustment Sensitivity
$64.00 Save $35.00 RRP: $99.00
4 Pack Door Alarms for Home Security, Window Door Alarms, Window Alarm Sensors, Door Alarms for Kids Safety,DIY Protection Burglar Bell Alarm for Home
$14.95 Save $69.05 RRP: $84.00
2X Light Sensor T1 Brightness Sensor Smart Home Lighting Change Controlled for Home
$23.95
2X Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Security Protection System
$28.95
2X Tuya Wifi Door Sensor Window Entry Sensor Security Burglar Magnetic Sensor Alarm Smart Life for APP Remote Control
$21.95
Adjustable Temperature 1080w Welder Hot Station Hair Dryer Soldering Iron Welding Heat Gun Amp; 2 Nozzle Amp; Roller
$52.95
Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Door Alarm 2 Pack
$42.95
Door Window Magnetic Contact Wired Sensor Detector Switch for Home Garage Alarm Security
$20.95 Save $6.00 RRP: $26.95
Fridge Alarm Freezer Alarm with Adjustable Voice Reminders Close Door Reminder Voice Alert
$34.95 Save $10.00 RRP: $44.95
W100 Smart WiFi Bridge Gateway and Door Sensor Set for WeHere Smart Lockboxes, APP Control for Home Office Security
$129.00 Save $40.00 RRP: $169.00
MC-38 Wired Door Window Sensor Wire Magnetic Switch Home Alarm System N.C Type Multicolor
$14.95
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
$40.95 Save $23.05 RRP: $64.00
1pack Smart Door Sensor Wifi, Wireless Door Window Detector Alarm, Smart Linkage Window Door Contac
$9.95
24pcs Door And Window Alarm Electronic Alarm Window Alarm Sensor Anti-burglary Window Security Alar
$44.95
Snzb-04p Zigbee Door And Window Sensor Local Smart Scene Linkage Tamper Alarm Security Compatible With Alexa Home
$18.95
Tuya Wifi Smart Door Magnetic Sensor App Control Usb Wireless Door Window Sensor Door Magnetic Alarm Detector
$15.95
Tuya Door Sensor Smart Home Security Window Detector Door Sensor Switch Handle Window Alarm Contact Sensor
$18.95
Fake Tv Simulator With Ac Adaptor Anti-burglar And Theft Deterrent Home Security And Sensor,eu Plug
$19.95
Smart Garage Parking Light with Anti-Collision Sensor 300x200mm LED Alarm System
$49.95 Save $9.05 RRP: $59.00
Magnetic Switch Alarm Sensor Overhead Garage Door Contacts L Bracket
$17.95 Save $3.00 RRP: $20.95
3 Sets Black Magnetic Switch Wiring NO/NC Flush Door Sensor Hidden Window Contact Reed Switch for Access Control Replace Alarm System [jkw]
$41.95 Save $8.00 RRP: $49.95
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
$32.95 Save $6.00 RRP: $38.95
Zigbee Door Sensor Wireless Magnetic Window Open Closed Alarm Detector Works Zigbee2MQTT for Need G
$12.95 Save $3.00 RRP: $15.95
Self-Adhesive Wireless Magnetic Sensor Burglar Door Window Entry Alarm 90 Db 2025
$94.00 Save $95.00 RRP: $189.00
1pcs 20m Latest Waterproof Active Photoelectric Single-beam Infrared Sensor Obstacle Detector Anti- 2025
$6.95 Save $7.00 RRP: $13.95
Active Infrared Beam Sensor Anti Theft for Gate Openers Access Control Security Alarm System 2025
$18.95 Save $19.00 RRP: $37.95
10pcs Magnetic Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced B
$38.95 Save $100.05 RRP: $139.00
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install [jkw]
$27.95 Save $14.00 RRP: $41.95
Adjustable Delay Wireless Fridge Alarm Door Open, 3/15/30/60 Seconds Security
$94.00 Save $75.00 RRP: $169.00
Magnetic Door Window Contact Sensor No/nc Magnetic Switch Easy To Install
$33.95 Save $30.05 RRP: $64.00
Wireless Door Opening Contact Sensor Alarm Buzzer Three-On-Two Doorbell Alarm When Entering
$79.00 Save $70.00 RRP: $149.00
WiFi Door Window Sensor APP and Voice Control Smart Door Magnetic Alarm Detector for Home Security
$24.95 Save $7.00 RRP: $31.95