SALE 3-5m Automatic Body Infrared PIR Motion Sensor Detector Switch For LED light E
$10.42$11.09
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Sensors & Motion Detectors deals
Discounted security listings from eBay sellers, biggest markdowns first. Prices and availability change fast — confirm on eBay before buying.
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SALE 
SALE 5V-24V PIR Infrared Ray Motion Sensor Switch USB/DC LED Detector Switching
$11.36$12.09
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SALE Effective Device Water Leak Alarm Flood Level Overflow Detector Security
$10.61$11.29
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SALE Automatic Door 24.125Ghz Microwave Motion Sensor,Autodoor Motion Tracking
$19.82$21.09
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SALE AC 85-265V Professional Motion Infrared Sensor Switch For Outdoor 180° Detection
$12.59$13.39
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SALE Smart LCD Thermometer Hygrometer Wi-Fi Temperature Humidity Sensor Monitor
$20.20$21.49
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SALE New 10 x RC-33 NC Wired Door Contact Sensor Alarm Magnet Reed Switch 7-17mm
$13.15$13.99
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SALE Digital High Water Alarm 12V 01-69-041
$194.41$206.82
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SALE Wireless PIR Motion Detector For 433MHz Home Security Burglar Alarm System
$21.42$22.79
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SALE Automatic PIR Occupancy Motion Sensor Light Switch Auto On/Off Infrared Lamp60Hz
$14.99$15.95
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SALE Wireds Door Sensor Home Anti-theft Alarm Home Door Window Entry Warning Switches
$13.66$14.53
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SALE Reliable 3 Sets of NO/NC Magnetic Door Sensors - Flexible Voltage Compatibility
$16.91$17.99
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SALE Leviton Odw12-Mdw Occ Snsr, Pir/Usonic, 120-277V Ac, 1200Sqft
$207.99$220.99
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SALE HOMSECUR Wireless Infrared Motion Alarm System 3pcs Sensor Detector 433 MHz
$43.61$46.39
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SALE 130dB Solar Outdoor Motion Alarm - Adjustable Volume & Custom Alerts for Safety
$50.73$53.97
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SALE Waterproof Solar Strobe Light with PIR Motion Sensor Alarm Timed IR Alarm Light
$49.18$51.77
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SALE Solar Motion Sensor Alarm Outdoor Dog Barking Gunshot Sound Strobe Light Farm
$38.79$40.83
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SALE Smart Vibration Sensor Real-time Monitoring Detection Alarm Remote Notification
$27.52$28.97
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SALE Wyze Home Monitoring Bundle Hub Keypad Motion 2 Entry Sensors System Kit
$44.99$47.24
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SALE 3 x Wired Door Contact Sensor NO NC Surface Mount Magnetic Reed Switch Brown
$20.62$21.71
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SALE Door Window Sensor Zigbee Wireless Connection Smart Mini Door Sensor Door
$163.12$171.71
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SALE MC-51 Surface Mount Wired NC Door Sensor Alarm Magnetic Reed Switch, White
$12.71$13.38
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SALE 2 Sets Home Wired Alarm Security Magnetic Door Contact Reed Sensor Switch, White
$12.31$12.96
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SALE Tuya WIFI GSM Alarm System Security Buglar RFID Wireless Motion Sensor Detector
$132.68$139.66
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SALE Automatic Water Leak Detector w/ Sensors & Stut-off Valve Water Leak Detecting
$74.66$78.59
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SALE F-999E Water Leak Detector Household Water Pipe Leak Detection Leak Detector
$861.55$906.89
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SALE 180° Motion Activated Light Switch, Manual or Automatic Control - Stylish Finish
$42.74$44.99
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SALE Automatic Water Leak Detector with Sensors and Shut-off Valve
$78.59$82.73
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SALE Hiletgo Outdoor PIR DC 12V Automatic Infrared PIR Motion Sensor Switch for LED
$12.06$12.70
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SALE 3.0 Door Window Sensor Smart Home Security Detector Works Assistant
$24.64$25.94
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SALE Leviton 177IR-IWA Infrared Receiver for Scene Select Dimmer Switch Controllers
$37.99$39.99
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SALE set of 3 GOVEE Wireless Water Leak Detector H5054 (NO GATEWAY)
$28.00$29.39
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SALE Smart Door Window Sensor Mini Door Sensor Wireless Connection Gateway Smart Home
$113.97$119.97
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SALE Tuya ZigBee Smart Human Presence Motion detection 120degrees Supports Smart Life
$63.42$66.76
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SALE F-999E Water Leak Detector Household Water Pipe Leak Detection Leak Detector
$861.63$906.98
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SALE Mini PIR Sensor Smart 100V 240V LED PIR Infrared Sensor ъχ αω εμ ν} Motion IKL
$12.08$12.72
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SALE 12V Gas Alarm Sensor Alarm Propane Butane LPG Natural E6R2 Home Camper✨ M9 IKL
$17.49$18.41
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SALE New Door Window Sensor Zigbee Wireless Connection Door Sensor Work With APP Lot
$40.14$42.25
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SALE Door Window Sensor Zigbee Wireless APP Remote Control Work With HomeKit APP Lot
$164.63$173.29
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SALE WiFI PIR Motion Sensor Smart Human Body Smart Home Sensor APP Remote Control
$56.94$59.94
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SALE Water Level Flood Detection Sensor Liquid Flow Sensor Water Immersion
$362.80$381.89
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SALE WiFiWater Sensor Leakage Alarm Smart Home APP Remote Control Security Protection
$53.13$55.93
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SALE Water Level Flood Detection Sensor Liquid Flow Sensor Water Immersion-
$362.80$381.89
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SALE Tuya Wireless Water Sensor Alarm 90db Leak Alert Monitoring Leak Drip Alarm Lot
$29.54$31.09
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SALE New Tuya Zigbee Door Sensor Window Detectors Sensor Remote Monitor From APP Lot
$23.75$25.00
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SALE Door Opener Infrared Sensor 940nm 30m Range Single Beam Photocell Gate Infrared
$22.98$24.19
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SALE Tuya WiFi Vibration Sensor Glass Break Detector Alarm Real-Time Remote Control
$95.66$100.69
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SALE NC+NO Alarm Rolling Gate Garage Door Contact Magnetic Reed Switches
$18.79$19.78
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