SALE Smart WiFi Motion Sensor - 40ft Detection with App Alerts, No Hub Required
$23.74$24.99
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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 Long Range Wireless Driveway Alarm System - 1800ft Motion Sensor Alert, Recharge
$106.39$111.99
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SALE Driveway Alarm Wireless Motion Sensor with 1 Receiver and 2 Sensors for Security
$92.14$96.99
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SALE F999M Leak Detector Floor Heating Pipe Water Leak Locator for Tap Water Best
$562.40$592.00
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SALE Weather Resistant Driveway Alarm System with 1 Receiver and 3 Expandable Sensors
$116.84$122.99
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SALE Home Security Alert System with Expandable Motion Sensors for Complete Coverage
$79.79$83.99
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SALE Motion Sensor DC 5V 24V Light Switch Movement Detector Automatic PIR Sen C
$9.81$10.33
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SALE New 315mhz Infrared Motion Sensor Home Garage Alert Security System
$18.38$19.35
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SALE 30cm 5V-24V PIR Infrared Ray Motion Sensor Switch USB/DC LED Detector Switching
$10.71$11.27
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SALE White PIR Motion Sensor Wall Switch AC100-240V for Downlights & Ceiling Lights
$11.87$12.49
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SALE Home WiFi Smart Temperature Humidity Sensor Meter Hygrometer Thermometer Monitor
$19.10$20.11
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SALE New Low-Cost Water Leak Alarm Flood Level Overflow Detector Sensor Security
$9.99$10.52
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SALE AC 85-265V Durable Motion Infrared Sensor Switch For Outdoor 180° Detection
$11.87$12.49
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SALE Wyze Sense Motion Sensor V2 Security System WSMS2 Detector
$16.03$16.87
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SALE 5-24V USB Port Detector Infrared PIR Motion Sensor Switch For Led Light Strip ff
$10.71$11.27
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SALE 3-5m Automatic Body Infrared PIR Motion Sensor Detector Switch For LED light C
$9.81$10.33
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SALE Dual-axis Detector for Solar Tracker Controller Sunshine Azimuth PLC System
$63.17$66.50
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SALE 1/2 Mile Wireless Driveway Alarm with 2 Sensors – Secure Your Property
$67.44$70.99
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SALE Motion Sensor Switch for Smart Light for Warehouse Easily Install 85-265V
$14.70$15.47
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SALE Wired Door Contact Sensor for Shop NC Surface Mount Magnetic Reed Switch Black
$14.15$14.89
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SALE 3pc HOMSECUR Pet-friendly Motion Detector Passive Infrared Sensor Pet Up to 15Kg
$54.52$57.39
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SALE DMP 1122 Wireless PIR Motion Detector Passive Infrared Alarm Sensor New
$24.95$26.24
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SALE Motion Sensor DC 5V 24V Light Switch Movement Detector Automatic PIR Sen I
$9.71$10.22
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SALE 5-24V USB Port Detector Infrared PIR Motion Sensor Switch For Led Light Strip
$10.59$11.15
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SALE Automatic Light Sensor Control Switch DC8-50V Photocell Light Switch Repair Part
$11.83$12.45
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SALE 20M Single Beam Detector Alarm Photoelectric Infrared Laser Sensor Anti Theft
$14.48$15.24
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SALE Zigbee Water Leak Sensor Wireless Detection Compact Home Automation Hub Required
$81.91$86.22
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SALE 41A5034 Safety Sensor , Replacement for /Chamberlain/Garage Door Sensor, Comp...
$25.10$26.42
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SALE Leviton ODP15-30 Occupancy 15A Motion Sensor Power Pack 347V Fluorescent Only
$15.19$15.99
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SALE Smart Wireless Temperature & Humidity Sensor Wide Temp Range for Fridge Green
$23.15$24.37
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SALE NEW Simplisafe MOTION SENSOR White CA001 (Latest Model)
$16.99$17.95
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SALE Car Vibration Sensor Alarm Anti Theft Security Device Motorcycle Motion Sensor
$14.88$15.66
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SALE Adjustable Pneumatic Door Closer with Hold Open Function for Storm Doors
$34.54$36.36
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SALE Customizable Smart Entry Sensors - 4 Pack with Instant Alerts & Easy Setup
$104.49$109.99
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SALE AC220V-240V SK-701 LED Microwave Radar Sensor Light Switch Body Motion Detector
$12.28$12.93
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SALE Reliable Window & Door Protection Sensor with 1000ft Range for Modern Homes
$30.39$31.99
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SALE ECOELER YM2108T 3Way Motion Sensor Light Switch, PIR Infrared Motion Activated
$15.99$16.76
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SALE Zigbee Wireless Motion Sensor Detector for Smart Assistant Hubitat Alexa🆕
$19.84$20.88
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SALE MC-59 NC Alarm Security Rolling Gate Garage Door Contact Magnetic Reed Switches
$16.12$16.97
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SALE Zigbee Smart Detector Mini Motion Sensor Home Security For Room Smart Assistant
$19.84$20.88
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SALE Zigbee Wireless Motion Sensor Detector for Smart Assistant Hubitat Alexa🆕
$19.84$20.88
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SALE MC-59 NC Alarm Security Contact Magnetic Reed Switch Rolling Gate Door
$15.84$16.67
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SALE Zigbee Smart Detector Mini Motion Sensor Home Security For Room Smart Assistant
$19.84$20.88
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SALE Hubbell Gray Occupancy Sensor Switch w/Nightlight No Neutral 2-Circuit WS1020NGY
$18.99$19.99
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SALE Leviton Occupancy Motion Sensor Power Pack 20A 277V ODP20-70
$26.59$27.99
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SALE Waterproof Solar Motion Sensor Alarm - Deters Animals & Intruders, 2 Pack
$66.45$69.95
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SALE Allen Bradley 1794-ASB SER E FLEX Remote I/O RIO Adapter
$370.02$389.49
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SALE Wyze Home Security System Entry Sensors 3-Pack - Smart Window & Door Protection
$90.24$94.99
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