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Security System Sensors

Shop the best prices on 13,937 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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1,057 - 1,088 of 3,200
3 Packs Magnetic Door Window Sensors, Black Flush Mount Reed Switches, NO/NC Wiring for Access Control and Alarm System Replacement
From €39.95
Tuya WiFi Temperature Sensor with Digital Display & Smart App Alerts for Home
From €25.95
Smart WiFi Door Window Vibration Sensor for Home Security Alerts Compatible with Tuya Systems
From €43.95
10pcs Magnetic Door Window Alarm NC NO Contact Switches for Home Security
From €20.95
Mailbox Alarm Mail Chime Notification System-Mail Alarm 800 Ft Long Range Wireless Mailbox Alert with LED Light Flashing Edition C
From €54.00
5-Pack Black Recessed Magnetic Contacts for Door and Window Alarms
From €15.95
2 Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open Alarm Loud108db Jske
From €31.95
Light Sensor Wire DC 5V 12V USB for Night Auto-on Home Security
From €18.95
Pack Of 2 E14 Lamp 85-265v 2w Led Light Bulb For Refrigerator - Power Equivalent To A 15 Watt Lamp, Cool White - 6500k
From €7.95
Wire Light Sensor DC 5V 12V USB for Home Security Night Lighting
From €19.95
DC12V Photocell Beam Sensor Infrared Automatic Garage Gate Door Detector
From €10.95
Compact Singal Radiation Beam Door Window Infrared Detector Alarm for Home Security Maikaisen
From €10.95
XIAO ESP32C6 60GHz MmWave Sensor MR60BHA2, Breathing Heartbeat Detection Sensor, ESPhome, Home Assistant Maikaisen
From €79.00
Magnetic Switches Normally Closed or Normally Open Magnetic Switches Suitable For Wooden Doors Window Multicolor
From €19.95
RJ11 Telephone Fax Surge Protector Lighting Thunder Arrester Protection Device 110V
From €12.95
Light Curtain Sensor Switch Safety Light Grating Security Device(10 Beams BEM1040-C-360NB)
From €94.00
SONOFF DW2 Wifi Wireless Door Window Sensor Open/Closed Detectors e-WeLink APP
From €16.95
26-27 Sensor Elektroweb Mc-38 No
From €6.95
2 Pack Freezer Door Alarm, Window Security Alarm, 3/15/30/60 Seconds Wireless Fridge Alarm, 4 In 1 Door Sensor Doorbell Door Open SZRH A-X
From €74.00
Door Opening Sensor Wireless Time Delay Door Alarm Door Sensor Door and Window Security Alarm Home S Edition 0710
From €4.95
Proximity Switch Universal Approach Sensor Waterproof 3 Wire Accessory DC6?36V M18TOSD?04?503 NPN Normally Open
From €54.00
Door Window Alarms, Adjustable Volume, Chime/Alarm, Door Window Alarm Sensor for Home Security, Kid Edition
From €44.95
2026 Wireless Infrared Gate Beam Sensor Anti Theft Alarm IP55 Waterproof for Station Automatic Door
From €46.95
2025 JWL-Wireless Door Window Burglar Sensor Alarm 4 Modes Door Open Detectors Freezers Close Reminder Security Protection Alert
From €46.95
26-27 Tuya Zigbee Vibration Sensor Motion Shock Sensor Detection Alarm Monitor Smart Home Real-Time Alarm Push
From €34.95
WiFi Door Window Sensor APP and Voice Control Smart Door Magnetic Alarm Detector for Home Security
From €13.95
Door Magnetic Contacts Switch Sensor Anti Theft Universal Strong Magnetic Door Magnetic Contact Switch for Door
From €16.95
Light Curtain Sensor Switch Safety Light Grating Security Device DC24V(10 Beams BEM104030NB)
From €109.00
2pack Tuya Zigbee Smart Window Door Gate Sensor Detector Smart Home Security Notification Alarm For
From €21.95
Infrared Beam Sensor Intrusion Alarm Outdoor Long Distance Infrared Detector AC1218V DC1224V 60m/196
From €43.95
Magnetic Contact Opening Sensor MC-38 No
From €9.95
RC-33 NC Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Recessed Switch White - (6 Sets)
From €21.95