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Security System Sensors

Shop the best prices on 14,561 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 New Zealand.

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1,601 - 1,632 of 3,200
10m electronic Safety Light automatic door safety beam sensor Photoelectric Beam Sensor (Single/double Beam)
From $139.00
Smart Home Zigbee Solar Rain Sensor Wireless App Control Real-Time Rain Detection for Garden Automat
From $44.95
Tuya Smart ZigBee WiFi Door Sensor Wireless Magnetic Door Window Open Closed Det
From $24.95
M12 52 Musics Wireless Sensor Welcome Doorbell Shop Entry Detector Alarm with 1 Transmitter + 1 Receiver
From $48.95
Water Sensor Wireless Water Leak Detector Battery Powered Home Alarm Flood Sensor With Alarm Sound App Alert
From $84.00
Smart Wifi Temperature Humidity Sensor Home Automation Wireless Battery Powered Temperature Detecor With 55db Alarm Sound
From $84.00
4 Pcs Tuya WiFi SOS Emergency Button Wireless One Key Call Help Home Elderly Children Security Protection B
From $84.00
Magnetic Door Switch RC-33 NC Recessed Wired Security Window Door Sensor Alarm White- (20 Sets)
From $30.95
2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Window Open Close Status DS3 Works with G2 TTLOCK App
From $48.95
Tuya Smart ZigBee 3.0 Smart Temperature and Humidity Sensor Battery Powered Security with Tuya Smart Life App Alexa(B)
From $47.95
TUYA Zigbee 3.0 Smart Window Door Sensor ZigBee 3.0 Wireless Connection Multifunction for Smart Echo Hub SmartLife App
From $23.95
3X Tuya Smart ZigBee 3.0 Smart Temperature and Humidity Sensor Battery Powered with Tuya Smart Life App Alexa(C)
From $49.95
2X 12V DYP-2HD01 Vibration Sensor for Security Detecting, Car Anti-Theft System, Etc
From $14.95
Din Rail ATS Dual Power Automatic Transfer Switch 80A Miniature Dual Power Switch Mains Power to Mains Power
From $79.00
Tuya ZigBee Smart Door and Window Sensor Burglar Magnetic Sensor with Scene Interaction Button APP Remote Control
From $26.95
Fingerprint Door Lock, Biometric Smart Door Knob with Keypad, APP Control Door Handle for Bedroom Hotel Office Apartment
From $94.00
Magnetic Door Window Contact Sensor, SideWired NC Reed Switch, Surface Mount, White, 20 Pack
From $1,649.00
Perimeter Trip Alarm Aluminum Alloy Camp Safe Perimeter Trip Wire Alarm
From $79.00
Waterproof Dual-Beam Photoelectric IR Detector - Outdoor Infrared Barrier Sensor with Lens Indicato
From $79.00
Wireless Door and Window Alarm with Instant Burglar Alert, Easy Install Home Security Sensor for Garage and Apartment
From $54.00
Door Magnetic Alarm Sensor WiFi Connection Light Sound APP Remind Wireless Door Alarm System for Tuya
From $38.95
Recessed Magnetic Door Sensor AC220V NC Wired Switch for Alarm System Access Control Window Reed Switch Set of 2
From $29.95
Solar Driveway Alarm Wireless Outdoor Motion Sensor Detector 2624.7ft Long Range Waterproof Dustproof Driveway Alert System
From $119.00
Magnetic Door Contact Sensor NC Reed Switch Alarm for Roller Door Zinc Alloy 5 Pack
From $129.00
433MHz Wireless PIR Motion Sensor for Home Security Alarm System with Smart Detection and Easy Mounting
From $44.95
Solar Wireless Driveway Alarm with Digital Display, Infrared Motion Detector Door Sensor, 1 Receiver Reliable Security System
From $59.00
Magnetic Door Window Contact Sensor with Durable Metal Housing, Wired Alarm Switch for Home Security System
From $49.95
Infrared Detector Sensor 2 Beams for Home Security Alarm Black
From $159.00
2X LD2410B 24GHz Radar Smart Human Presence Sensing Module with BT 5V LD2420 Millimeter Wave Motion Switch Sensor
From $26.95
1 Set Touch Lamp Repair Kit 3 Way Touch Sensor Dimmer Control Module Replacement Sensor
From $19.95
Universal Dc/ac 12/24v Infrared Safety Beam Barrier Sensor Detector For Automatic Door Opener
From $32.95
Infrared photoelectric sensor beam for slide gate opener safety 12V/24V (1 set)
From $34.95