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Security System Sensors

Shop the best prices on 11,727 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Gze, Dirtypigs and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to New Zealand.

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97 - 128 of 3,200
Freezer Door Alarm When Left Open 2Pcs Safety Window Alarm 3153060 Seconds Adjustable Delay Wireless Fridge 4-In-1 Sensor Chime Open Loud 108dB Ref
From $94.00
Home Security Wireless Alarm | Driveway, Garden & Shed Sensor Plugin Chime Kit With Loud Audio Notification & Visual LED Notification
From $119.00
Window Alarm Sensors, Door Alarms for Home Security Loud, 120DB Pool Window and Door Alarms for Kids Safety (10 Pack)
From $139.00
Door Window Alarm, 90DB Door Alarms compatible with Kids Safety, Door Window Burglar Alarm-Window Pool Alarms compatible with Home Security (2 Pack)
From $54.00
Ring Alarm Magnet Spacer Riser 10 Pack Compatible with Ring Alarm System
From $74.00
120dB Ultra-Slim Vibration Alarm Sensor for Home Security, Window, Door, Bike
From $28.95
10pcs Surface Mount Wired NC Door Contact Sensor Alarm for Door Window Cabinets
From $23.95
12/24v Photocell Sensor Beam compatible with Sliding Gate Opener Infrared Safety Photo Cell
From $74.00
Wireds Door Sensor Magnetic Switches Home Anti-theft Alarm Home Door Window Entry Warning Switches Dustproof Waterproof
From $43.95
10pcs Magnetic Reed Switch Door Window Security Alarm System Normally NC NO Contact Switches compatible withEnhanced Home Safety B
From $45.95
Automated Gate Safe Infrared Detector Sensor compatible with Swing Sliding Garage Gate Door Safety Infrared Beam Sensor Photocells
From $59.00
Surface Mount Wired Normally Closed Door Contact Sensor for Door Window Cabinets (10pcs)
From $31.95
Window Alarm Door Alarm Self Adhesive Alarm Window With Wireless Magnetic Sensor Siren 1 Alarm Sounds With 1 Remote Controls For Home Security Burglar
From $89.00
2025 Wireless Door Stop Alarm Stainless Steel Sensitivity Level Sensor Wedge-shaped Portable Home Travel Security JSKEE
From $37.95
5 Pcs -38 Wired Door Window Sensor Magnetic Switch For Home Alarm System,When Sensor Together,Norma 0725 Edition 0116
From $6.95
Compatible for Refrigerator And Freezer Alarm, Door Left Open, Reminders At 30 Seconds Alarm for Home Safety a-s Edition 1129
From $37.95
Compatible for Refrigerator And Freezer Alarm, Door Left Open, Reminders At 30 Seconds Alarm for Home Safetyszrh a-s Edition 0618
From $47.95
Alarm Magnetic Contacts For Nc Roller Shutter Garage Door Switch Sensor With L-bracket G-- G Edition 0125
From $13.95
2pcs Automatic Infrared Beam Detector Ir Alarm Sensor Door Light Sensor Burglar Alarm System S202412
From $46.95
Beam Gate Photocells Infrared Sensor - Garage Gate Blind Safety - 12V/24V AC DC Compatible21 Edition 1218
From $54.00
Zigbee Smart Rain Sensor for Outdoor Wireless Rain Detection Waterproof, Zigbee Hub Required,Linka A-W Edition 1129
From $33.95
2025 Wifi Smart Door Window Sensor Alarm Detector Security Alexa Google
From $16.95
Wireless Door Opening Contact Sensor Alarm Buzzer, Three-On-Two Doorbell Alarm for Home Security
From $54.00
26-27 2 Sets Magnetic Door Wired NC NO Normally Open Closed Door Contact Switch for Home Security 100V DC
From $21.95
Wi-fi Wireless Door/window Sensor No Gateway Required Support To Check History Record On App,3pcs
From $94.00
Magnetic Remover Clothing Hard Tag Remove/security Tag Detacher
From $84.00
Infrared Beam Detector 2Pcs Automatic Door Security Alarm Sensor 26-27
From $89.00
Door Sensors Alarms Contact Wireless Door Window Magnet Entry Detector Sensor
From $22.95
Wireless Home Security Door Window Entry Alarm Warning System Magnetic Sensor_yzab
From $54.00
NEO COOLCAM NAs DS01Z Mini Wireless Door Window Sensor Alarm for Z-wave 300 500 Series (EU)
From $59.00
NC Type Wired Door Window Magnetic Security Alarm Contact Sensor Detector Reed Switch
From $12.95
Garage Door Bracket for Contact Sensors 2nd Gen (Sensor Not Included), Garage Door Security Accessory
From $14.95