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Security System Sensors

Shop the best prices on 8,637 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Hsmy and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1 - 32 of 3,200
Mailbox Sensor, Real-Time Monitoring, Home Safety
From $21.95
4-Pack 100dB Alarm with Vibration Sensors for Home, Office, Dorm, or RV Use
From $59.00
Infrared Sensor Photocell For Gates Security Gate Motion Detector Beams Detector Garage Door Barrier Security Infrared Sensor
From $35.95
Infrared Photocell Beam Sensor DC 12-24V Waterproof Outdoor Detection 20m for Gate Garage Door
From $34.95
Mailbox Alarm Mail Chime Notification System-Mail Alarm 800 Ft Long Range Wireless Mailbox Alert wit
From $74.00
Mailbox Sensor, Real-Time Monitoring, Home Security
From $21.95
TUYA WIFI Temperature Sensor APP Remote Monitor Tuya Waterproof Temperature Sensor 2.4G WiFi Smart Home 1M
From $18.95
4PCS Tuya ZigBee Smart Vibration Sensor Real Time Monitoring Door Window Detection Alarm Smart Home Security System
From $44.95
Dvb-t Professional Tv Antenna Finder Digital Aerial Signal Meter Pointer Tv Satellite Receiver
From $16.95
Heavy Duty Wired Alarm Garage Door Magnetic Contacts Switch Sensor NC with Adjustable Bracket
From $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
From $36.95
10X Perimeter Trip Wire Alarm Device 12 Gauge Accessories with 22 Option Early Warning Security System
From $129.00
3-Pack WiFi Temperature Humidity Sensors: App Notifications, Free Cloud Storage, Wireless Monitoring Solution
From $34.95
TUYA WIFI Temperature Sensor APP Remote Monitor Waterproof 2.4G WiFi Smart Home Temperature Sensor
From $14.95
2X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
From $30.95
Aqara Light Sensor T1 Zigbee 3.0, Brightness Detector for Smart Home Automation
From $54.00
SW-520 Tilt Sensor 12VDC Relay Module Equipment Tilt Dump Protection Alarm Trigger Module
From $8.95
Smart Mailbox Alert, Instant Updates, Secure Home
From $13.95
A Wi-fi Wireless Door/window Sensor No Gateway Required Support To Check History Record On App,3pcs
From $89.00
Smart ZigBee WiFi door sensor wireless for windows and doors
From $32.95
Security Burglar Alarm: Magnetic Door Window Contact Sensor Reed Switch
From $9.95
Animal deterrent alarm compatible with wild boar and theft prevention
From $21.95
Emergency Button Call Button with Reusable Reset Key 1Set
From $16.95
Professional animal alarm compatible with outdoor - Wild boar repellent & security
From $25.95
2 Sets Magnetic Reed Switch NO NC Wired Surface Mounted Magnetic Contact Switch for Door Window
From $27.95
Tuya Smart Zigbee Solar Light and Rain Sensor Alarm Real-Time Notification Light Sensing Rain Detector 2-In-1
From $119.00
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 Jske
From $59.00
WiFi Door Sensor, Smart Door Window Sensor,for Alexa Google Assistant,Home Security Door Open,for Business Burglar JH2
From $20.95
Door Sensor White Door Security Contact Sensor with 25Pcs for Home Use
From $139.00
2026 Suitable Tuya Zigbee 3.0 Smart Contact Detectors Security Gate Door Window Sensor Transducer Smart Life Home(
From $64.00
Wireless Security Alarm, Door Window Sensor, 90db, 5Pcs
From $16.95
TY-192 Tuya Smart Home WiFi Temperature And Humidity Sensor
From $36.95