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Security System Sensors

Shop the best prices on 11,204 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, Gze and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Singapore.

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1,857 - 1,888 of 3,200
Smart WiFi Door/Window Sensor | Tuya Smart Alarm, Wireless Entry Detector with Real-Time Alerts, Compatible with Alexa/Google Home, No Hub Required (
From $64.00
Smart Zigbee Vibration Motion Sensor App Control Security Protection Motion Shock Alarm ZG-103ZL
From $30.95
Aqara Light Sensor T1 Zigbee 3.0 Brightness Sensor Smart Home Light Change Controlled for Home
From $69.00
Wireless Door Window Alarm - 120dB Anti Theft Sensor for Home
From $15.95
Smart Home Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection for Garden Automat
From $35.95
Safety Alarm Rechargeable Self Protection Emergency Safety Alarm for Elderly Women Outdoor
From $22.95
Walkbee 2024 High Volume Power Failure Alarm with Automatic Fault Detection
From $49.95
Smart Door Magnetic Detector, High Sensitivity WiFi Wireless Detection, Compact and Durable Design, Home Security Door Sensor
From $18.95
Smart Electronic Cat Eye, Motion Detection APP Notification, Silver Aluminum Alloy, Home Security Surveillance Cat Eye
From $99.00
WiFi Temperature and Humidity Sensor with High Temperature Alarm and Voice Control for Smart Home Monitoring
From $38.95
Wi-Fi Door and Window Sensor, Instant Alarm No Gateway Required, Intelligent Security Sensing, Home Security Monitor
From $18.95
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
From $74.00
Alarm when freezer door opens, security window alarm, 4 in 1 sensor doorbell opens
From $74.00
M8 Commercial Wireless Door Magnet Sensor Chime Welcome Visitor Alert with 2 Transmitter 2 Receiver_c*
From $34.95
Refrigerator And Freezer Alarm, Door Left Open, Reminders At 60 Seconds Or More-2025
From $16.95
good Smart WiFi Door Sensor, Wireless Door Window Detector Alarm, Smart Door Window Contact Sensor for Home Security Compatible with Alexa, 2 PCS
From $59.00
2025 Sensor Infrared Detection Photoelectric Sensing Switch Distance Security Alarm Parts DC5‑24V
From $35.95
M-809 Magnetic Wireless Door Sensor Burglar Alarm Detector For Home Security 2025 2025
From $42.95
Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless 25-26s
From $109.00
2026 10W Zinc Alloy Magnetic Reed Switch NC Door Window Contact Sensor for Garage, Warehouse, Shop 100V
From $26.95
SmartLife Door Window Sensor | Zigbee 3.0 | Battery Powered | Android™ / IOS | White Nedis
From $64.00
British-style door welcome sensor, store entrance label, visitor reminder, alarm, smart welcome bell
From $64.00
Smart home smart sensor app for remote viewing of indoor temperature and humidity sensor alarmsNeutral, logo-free Zigbee smart temperature and humidit
From $64.00
315MHz/433MHz Wireless Roller Shutter Door Magnetic Alarm and Accessories compatible
From $64.00
Traditional multi-line networked temperature alarm, non-coded temperature alarm for computer room only compatible
From $59.00
Intelligent alarm system accessories: wireless door magnetic burglar alarm, 433 door and window switch sensor. compatible
From $59.00
Intelligent Door Magnetic Detector Alarm for Home and Hotel with 433MHz Door Magnetic Induction
From $59.00
Alarm Magnetic Contacts For Nc Roller Shutter Garage Door Switch Sensor With L-bracket G--MAX01 G
From $17.95
Vibration Sensor Door Handle Alarm
From $54.00
Tuya Smart Home ZigBee Temperature and Humidity Sensor Indoor Thermometer Monitor
From $9.95
Wireless vibration detectors for doors, windows, and home security doors; drawer and wardrobe security detectors. compatible
From $37.95
TUAY Smart Door Magnetic Sensor, Window and Door Opening Reminder, Home Anti-theft Alarm compatible
From $84.00