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Security System Sensors

Shop the best prices on 13,746 great value security system sensors. Shopping for security system sensors is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Ydcy, SystemHouse Solutions and more. Buy security system sensors online safely with Fruugo, with secure payment and fast shipping to Ireland.

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2,241 - 2,272 of 3,200
10pcs Magnetic Switch Door Window Security Alarm System Normally NC NO Contact Switches for Enhanced B
From €14.95
3X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Windows Open Close Status Works with TTLOCK App Smart Locks
From €32.95
5 Pcs Mc-38 Wired Door Window Sensor Magnetic Switch For Home Alarm System,When Sensor Together,Normally Closed Nc
From €6.95
2X Reflector Photocell Long Range 12-24V DC/AC Automatic Gate Infrared Photocell Sensor with Waterproof Cover
From €69.00
Tuya WiFi SOS Panic Button Smart Life APP Notifications One Key Alert Wall Sticky /Neck Strap Design for Elderly & Kids
From €25.95
Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home S
From €6.95
Tuya Wifi Smart Door Sensor Window Entry Sensor with Scene Interaction Button Smart Life for APP Remote Control
From €15.95
Tuya WiFi SOS Emergency Button Wireless One Key Call Help Home Elderly Children Security Protection
From €15.95
24Pcs Door and Window Alarm Electronic Alarm Window Alarm Sensor Anti-Burglary Window Security Alarm
From €34.95
W100 Smart WiFi Bridge Gateway and Door Sensor Set for WeHere Smart Lockboxes, APP Control for Home Office Security
From €64.00
Tuya Zigbee Temperature Humidity Sensor with LCD Screen Smart APP Monitor Real-Time Remotely for Alexa/Google Home 3PCS
From €22.95
2X Reflector Photocell Long Range 12-24V DC/AC Automatic Gate Infrared Photocell Sensor with Waterproof Cover
From €69.00
Tuya Smart Door Window Alarm Sensor Door Magnetic Remote Sound and Light Password Disarm Tuya Smart Home
From €19.95
4X White Door Window Contacts Magnetic Reed Switch Sensor
From €9.95
Light Sensor DC 5V 12V USB Wire Night Auto-on Light Sensor Cable for Home Security and Lighting
From €6.95
Wireless Smart Wi-Fi Door and Window Contact Sensors for Home Security 25-26
From €41.95
Elektroweb Sensor Magnetic Contact Opening Sensor Mc-38 No 25-26
From €4.95
Tuya ZigBee Devices Button Scene Switch Battery Powered Intelligent Linkage Smart Switch Automation Work with Smart Life
From €15.95
Wireless Door Alarms When Opened with Remote,Door Security Sensor Chime Window Alarm Pool Alarm Door Alarm 2 Pack
From €25.95
Zigbee Smart Door Window Sensor Wireless Mini Alarm Sensor
From €13.95
RC-33 NC Recessed Wired Security Window Door Contact Sensor (6 Sets)
From €7.95
E3Z-R61 NPN Photoelectric Beam Sensor with Bracket Mirror Reflection Photoelectric Switch Sensor 2m
From €8.95
Wireless Window Door Sensor, Magnetic Contact Switch, AC220V 2500W, Ideal for Extractor Hoods and Ho
From €12.95
Tuya Zigbee Temperature and Humidity Sensor Alarm with LED Display for Seedling Fermentation Animal Breeding EU Plug
From €37.95
3Pcs Tuya WiFi SOS Button One Key Emergency Wireless Security Alarm Panic Device for Elderly Kids Home Smart Life Remote
From €36.95
4 Pcs Tuya WiFi SOS Emergency Button Wireless One Key Call Help Home Elderly Children Security Protection B
From €48.95
Tuya Zigbee Door and Window Sensor Smart Home Automation Security Protection Smartlife APP Alarm Rem
From €9.95
Tuya WiFi Smart Door Window Sensor Home Indoor Door Magnetic Detector Compatible with Alexa & Google Home White good feel
From €10.95
2025 Latest Model WIFI Door Sensors Alarms Contact Wireless Door Window Magnet
From €79.00
Motion Detector,Betterlife PIR Sensor Free Installation App Control Surveillance for Home for Apartment（1 pcs）
From €24.95
4X 2.4GHz Wireless TTLOCK Door Sensor Door Contact Detection Open Close Status Works with TTLOCK App
From €64.00
Door and Window Opening Alarm (2 Pack) Suitable for Alzheimer's Patients, 120dB
From €25.95