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Security System Sensors

Shop the best prices on 11,243 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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1,633 - 1,664 of 3,200
Infrared photoelectric sensor beam for slide gate opener safety 12V/24V (1 set)
$25.95 Save $143.05 RRP: $169.00
Tuya Zigbee WiFi Smart Door Window Sensor Alarm Detector Independent Magnetic Sensor Smart Home Via Alexa Google Home Smart Life
$48.95 Save $30.05 RRP: $79.00
Door Window Sensor 2.4GHz WiFi Smart Wireless Remote Monitoring Home Security Burglar Alarm for Zigbee
$27.95 Save $31.05 RRP: $59.00
Dual PIR Motion Detector Alarm: Reliable Wired Infrared Sensor for Enhanced Home Security
$50.95
Tuya Door Window Sensor Wifi, Open Close Detector Home Security System, Smart Life Remote Control
$11.95 Save $47.05 RRP: $59.00
WiFi Door Sensor, Smart Door Window Sensor,for Assistant,Home Security Door Open,for Business Burgl
$19.95 Save $2.00 RRP: $21.95
Wireless Remote Control Window Door Alarm 130dB Super Loud Kids Safety Alarm Magnetic Sensor Door Ch
$21.95 Save $32.05 RRP: $54.00
2G Callback Locator Anti-Theft Voice-Activated Sensor Alarm N9 US
$45.95
433mhz Door Magnetic Contact Wireless Sensor Detector Switch For Home Garage Alarm Security - White (battery Not Included) - 1 Piece
$10.95 Save $21.00 RRP: $31.95
Fake TV Simulator with AC Adaptor for Anti-burglar and Theft Deterrent Home Security - Timer and Sensor (5V British Standard Plug Type)
$21.95 Save $47.05 RRP: $69.00
WiFi Door Window Sensor APP Smart Home Security Protection Door Open Closed Detector for Alexa Yandex
$14.95 Save $12.00 RRP: $26.95
Refrigerator and Freezer Alarm for Door Left Open, Reminder After 60 Seconds or More by YuJia
$28.95 Save $35.05 RRP: $64.00
Invisible Beam Barrier Active Detection Digital Pulse Infrared Sensor 100m IR Alarm
$59.00 Save $35.00 RRP: $94.00
Temperature Humidity Sensor Intelligent Linkage Wireless for TUYA ZigBee Audio Control for Google Home
$20.95 Save $12.00 RRP: $32.95
2 Sets Magnetic Reed Switch NO NC Wired Surface Mounted Magnetic Contact Switch for Door Window
$16.95 Save $10.00 RRP: $26.95
Smart WiFi Door Window Open/Closed Sensor Detectors Voice Control for Google Home for Tuya
$19.95 Save $12.00 RRP: $31.95
Door Window Alarm Sensor 125dB Sound DIY Protection Alarm System for Home Dormitories Office Hotel
$16.95 Save $10.00 RRP: $26.95
2 Sets Magnetic Reed Switch DC12 to 24V NC Wired Door Window Sensor for Home Security Anti Theft Alarm System
$24.95 Save $14.00 RRP: $38.95
Infrared Beam Sensor Intrusion Alarm Outdoor Long Distance Infrared Detector AC1218V DC1224V 60m/196.9ft
$54.00 Save $30.00 RRP: $84.00
Door Magnetic Contact Wireless Sensor Detector Switch for Home Garage Security Alarm System, Battery-Powered, Easy Installation
$30.95 Save $16.00 RRP: $46.95
(New) PB-68R Intelligent Wireless Door Window Sensor
$20.95
(New) MC-03 130dB Multi-function Door and Window Anti-theft Alarm with 5 Modes
$23.95
(New) 10 PCS Embedded NC Model Door Magnetic Sensor Switch
$31.95
(New) DOBERMAN SE-0119 Household Anti-theft Wireless Remote Control Door Magnetic Sensor Alarm
$54.00
(New) DOBERMAN SE-0701 Oval Household Anti-theft Door and Window Magnetic Spring Sensor Super Loud Simple Alarm
$25.95
(New) Tuya WiFi Sound And Light Door Magnetic Doors Windows Alarm Scene Linkage APP Reminder Sound And Light Door Magnetic Sensor
$45.95
(New) DOBERMAN SE-0106 Ultra-slim Round Door / Window Alert Detect Vibration Sensor Alarm for Home Alarms Security
$31.95
(New) PB-67R Intelligent Wireless Door Window Sensor with Emergency Button
$20.95
(New) N911S Home Door Window Induction Alarm Household Door Magnetic Wireless Anti-Theft Alarm
$26.95
(New) Door Window Magnetic Sensor Anti-entry Security Alarm
$27.95
(New) NEO NAS-DS07W WiFi Door Sensor & Window Sensor
$42.95
(New) PB-69W WIFI Smart Wireless Magnetic Door and Window Sensor
$32.95