SALE 315mhz Infrared Motion Sensor Home Garage Alert Security System
$18.53$20.59
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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 SimpliSafe Panic Button 1st Generation PB1000
$11.24$12.49
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SALE 1 Set 24.125GHz Human Inductive Motion Microwave Radar Sensor For Automatic Door
$18.89$20.99
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SALE Wireless Caregiver Pager Motion Sensor Alarm Indoor Room Bed Alarms and Fall ...
$39.59$43.99
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SALE Solar Wireless Driveway Alarm 1/2 Mile Range Outdoor Motion Detectors
$113.39$125.99
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SALE Solar Security Siren 6 Pack Motion Activated Alarm 129dB Waterproof
$135.89$150.99
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SALE Solar Alarm 12pk Strobe Siren 110dB Motion Sensor 8M Range USB Backup
$207.89$230.99
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SALE Wireless Driveway Alarm 1/2 Mile Long Range Motion Detector
$116.99$129.99
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SALE Rex Plus Safety Technology Barking Dog Alarm Sensor W/ Nature Sound Effects
$45.00$49.99
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SALE ecobee wireless Smart Sensor for Doors & Windows 2 Pack White EB-DWSHM2PK-01
$44.99$50.00
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SALE Lot Of Two 2 Ring Alarm Range Extender 1st Gen ZWave Repeater 4AR1S70EN0
$12.59$13.99
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SALE Auto ON OFF Detector Infrared PIR Motion Sensor Switch For Led Light Strip
$10.70$11.89
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SALE Motion Sensor Alarm 8 Pack - Solar Powered, Loud Siren, LED Flash, Versatile
$170.09$188.99
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SALE Long Range Wireless Driveway Alarm Solar Powered 4 Sensors 1/2 Mile Weatherproof
$207.89$230.99
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SALE Wireless Outdoor Motion Detector Solar Powered Long Range Security Alert
$113.39$125.99
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SALE Chunhee Solar Outdoor Motion Sensor Alarm Dog Barking Gunshot Sound Support
$45.87$50.97
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SALE Solar Outdoor Motion Sensor Alarm 130db Loud Dog Bark Gunshot Sound 2pack
$94.49$104.99
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SALE Universal Bluetooth Ultrasonic Tank Sensor - 5- Battery, RV Water/Propane
$152.78$169.76
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SALE Smart Thermometer Hygrometer Wi-Fi LCD Temperature Humidity Sensor Home Digital
$19.16$21.29
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SALE 2GIG-PIR1-345 Passive Infrared Motion Detector
$27.00$30.00
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SALE SimpliSafe Motion Sensor Detector MS1000 1st Generation!
$11.66$12.95
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SALE New Effective Device Water Leak Alarm Flood Level Overflow Detector Security
$9.98$11.09
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SALE Straight Talk Wireless Remote Alert Alarm System Starter Kit Home Storage Shed
$6.26$6.95
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SALE AC 85-265V Replacement Motion Infrared Sensor Switch For Outdoor 180° Detection
$11.87$13.19
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SALE PIR Motion Sensor Switch Auto-Sensing On/Off AC100-240V for Schools & Buildings
$11.87$13.19
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SALE Brand New Honeywell 5800PIR-RES Wireless PIR
$36.78$40.87
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SALE 3-5m Automatic Body Infrared PIR Motion Sensor Detector Switch For LED light F
$9.80$10.89
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SALE Motion Sensor DC 5V 24V Light Switch Movement Detector Automatic PIR Sen F
$9.80$10.89
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SALE 1Pc USB Port Detector Infrared PIR Motion Sensor Switch For Led Light Strip bb
$10.70$11.89
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SALE New 45° Infrared Motion Sensor Home Garage Alert Security System
$18.44$20.49
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SALE Automatic Light Sensor Control Switch DC 8V-50V Photocell Light Switch Parts
$11.96$13.29
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SALE 10 x RC-33 NC Wired Door Contact Sensor Alarm Magnet Reed Switch 100V
$12.41$13.79
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SALE Solar Outdoor Motion Sensor Alarm-129db Loud Siren Lamp Noise Maker, 4 Modes
$31.49$34.99
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SALE Solar Alarm LED Strobe Light Infrared Motion Sensor Detector for Home, Farm,Yard
$44.09$48.99
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SALE 20M Single Beam Detector Alarm Photoelectric Infrared Laser Sensor Anti Theft D
$14.66$16.29
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SALE New 20m Single Beam Alarm Photoelectric Infrared Detector Alarm Home Security
$14.75$16.39
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SALE 5-24V Auto ON OFF Detector Infrared PIR Motion Sensor Switch For Led Light Strip
$10.79$11.99
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SALE Digital Hygrometer Thermometer WiFi Smart Temperature Humidity Sensor Meter
$19.25$21.39
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SALE Low-Cost Water Leak Alarm Flood Level Overflow Detector Sensor Home Security
$10.07$11.19
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SALE AC 85-265V High Quality Motion Infrared Sensor Switch For Outdoor 180° Detection
$11.96$13.29
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SALE AC100-240V PIR Motion Sensor Switch for LED Lights Auto On/Off 140° Detection
$11.96$13.29
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SALE 3-5m Automatic Body Infrared PIR Motion Sensor Detector Switch For LED light B
$9.89$10.99
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SALE Automatic Light Sensor Control Switch DC8-50V Photocell Light Switch Accessories
$12.05$13.39
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SALE Motion Sensor DC 5V 24V Light Switch Movement Detector Automatic PIR Sen B
$9.89$10.99
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SALE 1Pc USB Port Detector Infrared PIR Motion Sensor Switch For Led Light Strip cc
$10.79$11.99
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SALE 10 x RC-33 NC Recessed Door Contact Sensor Alarm Magnet Reed Switch
$12.50$13.89
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SALE 12-24V 24.125GHz Human Inductive Motion Microwave Radar Motion Tracking Sensor
$18.80$20.89
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SALE Solar Sound & Light Alarm Motion Sensor 129dB Outdoor Dog Barking Security Siren
$35.27$39.19
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