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Security System Sensors

Shop the best prices on 10,957 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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129 - 160 of 3,200
5X White Door Window Contacts Magnetic Reed Switch Sensor
From $15.95
Wired NC Type Magnetic Alarm Door Window Contact Sensor Detector Reed Switch
From $19.95
4X Perimeter Trip Wire Alarm Device 12 Gauge Accessories with 22 Option Early Warning Security System
From $169.00
10 Pack Window Alarm Wireless Door Magnetic Sensor Alarm For Home Security System, Pool Door Alarm
From $38.95
2Pcs Infrared Beam Detector, 20m Waterproof Security Sensor for Door/Window Burglar Alarm System
From $19.95
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
From $14.95
1 Set Touch Lamp Repair Kit 3 Way Touch Sensor Dimmer Control Module Replacement Sensor
From $14.95
433mhz Door Magnetic Contact Wireless Sensor Detector Switch For Home Garage Alarm Security - White (battery Not Included) - 1 Piece
From $9.95
LQ-698 Tuya Smart Home Wireless Temperature And Humidity Detector Sensor, Need to be used with Gateway (TBD05620685)
From $39.95
RJ45 RJ11 Adapter Ethernet Network Surge Protector Thunder Lighting Arrester Protection 5V
From $21.95
Power Plug Safety Lockout Kit with 38mm/1.5in Long Padlock for Air Conditioner TV Industry Chemistry Middle Lock Box
From $26.95
Protective Detector Cover Heavy Duty Stainless Steel 2Pcs for Sensor Use
From $24.95
2026 Wireless Door Alarm Window Opener Alarm Home Security Sensor Pool Alarm Child Security Anti-Theft (2 Pack)-Good
From $179.00
BNC D Panel Mount Connector BNCQ9 Solder Type SDI Video Coaxial BNC Female to Female Connector Socket for Monitoring System Black
From $14.95
2025 WiFi Door Alarm Window Sensor Detector Smart Home Security Alarm for Tuya for SmartLife App Control
From $16.95
32A 5Pin Industrial Socket 3 Phase IP44 Waterproof Insulated Wall Mount 380415V 3P+N+E
From $25.95
2025 Household Window Home Refrigerator And Freezer Alarm, Door Left Open, Reminders At 30 Seconds
From $10.95
LED Strip Light Dimming Controller with RGB Remote Control Adjust Color Brightness for KTV Music LEDs Rope Lighting
From $21.95
Smart Window and Door Sensor Door Sensor Detector 433mhz Door and Window Alarm ,for Home Hotel
From $24.95
Leakage Detection Tool Detector Basement Detection Earphone Water Alarm Water Leak Alarm Water Leak Detector For Indoor Room
From $299.00
Freezer Door Alarms, Window Security Alarm, Wireless Fridge Alarm, 4 in 1 Door Sensor Doorbell Loud Door Opening Alarm 108dB
From $45.95
2Pack Freezer Door Alarm,3/15/30/60 Seconds Wireless Fridge Alarm,4 in 1 Door Sensor Doorbell Door Open Alarm Loud108dB
From $54.00
90db Wireless Security Alarm Door Window Sensor Independent Magnetic Opening Sensor Enhanced Home Sa Edition 0718
From $15.95
White Kkmoon 7 Wired Video Door Phone System Visual Intercom Doorbell With 1*800x480 Indoor Monitor + 1*700tvl Outdoor Camera Support Unlock Infrared
From $359.00
Commercial Grade Wireless Door Chime Sensor with 2 Transmitters and 2 Receivers for Shop Alert
From $99.00
Door and Window Alarm, 120dB Anti-Theft Vibration Sensor, Touch Sensor for Home Security
From $38.95
Reed Contact, 6 Pieces Door Contact Switch, Wired Door Window Sensor, Magnetic Reed Switch, Suitable for Security Alarms for Doors, Windows and Drawer
From $40.95
Security Window Door Alarm Sensors(no Sound), Wireless Connection Tuya App2.4g , Not 5g, Burglar Alarm For Kids Safety Home Security,1 Pack, Fj122-h
From $89.00
Adjustable Voice Notification Door Alarm for Windows and Doors, Suitable for Garage and Cellar Use unbrand
From $64.00
Wireless Infrared Gate Beam Sensor IP55 Waterproof Anti Theft Alarm for Automatic Station Doors Security Detection System
From $32.95
433MHz Wireless Magnetic Door Sensor Compatible with RF Gateway Host, Home Automation Anti-Theft Alarm for Window and Door Security System
From $8.95
Intelligent Door Sensor Antitheft Fastly Response Window Security Alarm For Home Hotel
From $32.95