SALE Smart Home Presence Sensor FP2 -Indoor Wired Radar Sensor with Light Automation/
$146.39$182.99
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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 Smart Home Presence Sensor FP2 - Indoor Wired Radar Sensor with Light Automation
$101.91$127.39
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SALE Powerhouse X-10 SP554A Home Security Wireless P.I.R. Motion Detector
$37.99$47.49
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SALE Effortless Safety: 2-Pack PIR Infrared Motion Sensor Switch with Ground Wire
$44.79$55.99
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SALE Energy-Saving Maestro Motion Sensor Switch - Smart Auto Lighting for Any Bulbs
$36.79$45.99
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SALE 5 Pack WD60 Water Leak Detectors for Home, 100dB Water Sensor Alarm for Basem...
$57.59$71.99
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SALE Small Water Leak Alarm 6-Pack | Ready to Use, No Setup Required
$73.59$91.99
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SALE Solar Outdoor Motion Sensor Alarm with 13 Sounds
$40.79$50.99
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SALE Ring Rb Motion Sensor Mounting Pack - Black NEW
$7.90$9.88
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SALE Solar Wireless Driveway Alarm System 1/2 Mile Range, 1 Receiver & 4 Solar Sen...
$217.59$271.99
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SALE Expandable Long Range Driveway Alarm - Solar Wireless System//
$75.99$94.99
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SALE Solar Wireless Driveway Alarm System- 1/2 Mile Long Transmission Range- 300 F...
$191.99$239.99
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SALE Motion Sensor Solar Alarm - 129dB Sound & 6 LEDs Flash Light
$58.39$72.99
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SALE Motion Sensors APP Remote Control Occupancy Sensors Ceiling Mount Motion Sensors
$16.24$20.30
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SALE Non-APP Wireless Driveway Alarm — 1/2 Mile Solar Motion Sensor with Plug-in R...
$79.99$99.99
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SALE Smart Radar Motion Light Adapter - E26/E27 Screw-in, 1-Pack
$45.59$56.99
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SALE Maestro Motion Sensor Switch for Home Automation
$70.39$87.99
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SALE Solar Motion Sensor Alarm with Dog Barking Sound
$45.59$56.99
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SALE Solar Motion Sensor Alarm, 130db Loud, Strobe Light
$45.59$56.99
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SALE Intruder Deterrent Alarm - 130db Sound with Strobe Light
$45.59$56.99
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SALE Solar Motion Sensor Alarm with 129db Siren
$35.19$43.99
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SALE Occupancy/Vacancy Motion Sensor Switch - Program Your Lights
$39.99$49.99
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SALE Wyze Entry Sensor 3-Pack for Home Security
$87.99$109.99
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SALE Basement Watchdog Water Alarm - 110 dB Alert
$23.99$29.99
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SALE Hands-Free Motion Activated Switch for Indoor Lighting
$21.59$26.99
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SALE Sunlight Sensitive Photo Electric Switch
$26.39$32.99
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SALE Motion Sensor Light Switch, PIR Infrared, 2-Pack
$49.59$61.99
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SALE Zigbee 3.0 MmWave Radar Motion Sensor with Illuminance Temperature Humidity
$32.79$40.99
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SALE 120dB Door Window Alarm, Home Security Chime
$45.59$56.99
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SALE Leviton DOS05-1LZ LED/CFL Motion Sensor Wall Mount White Ivory Almond
$15.00$18.65
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SALE Indoor Door & Window Sensor - Hue Bridge Required/-
$123.19$153.99
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SALE Surface-Mounted Magnetic Contact Sensor 50F 1Q93, Magnetic Reed Switch
$3.18$3.98
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SALE Ademco 4142BLK Terminal Block Kit for Home Security System Black NEW
$10.00$12.49
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SALE Bosch ISM-BLD1-P-F1 Security Alarm Blue Line BLD1-P TriTech Motion Detector new
$17.60$22.00
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SALE 5.8GHz Microwave Motion Sensor - Arduino & Raspberry Pi Compatible, 3-5M Range
$19.19$23.99
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SALE Indoor Door & Window Sensor - Hue Bridge Required^
$123.19$153.99
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SALE GoveeLife Water Leak Detector 1s with Smart Gateway 1s (1+ 4Pack) Read First ***
$47.99$59.99
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SALE Solar Outdoor Motion Sensor Alarm-129db Loud Siren Lamp Noise Maker, 4 Workin...
$48.44$60.55
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SALE Motion Sensor Alarm with LED Indicators$
$61.59$76.99
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SALE Portable 90dB Door and Window Alarm Set - Ultimate Protection 5 Pack
$12.79$15.99
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SALE Indoor Door & Window Sensor - Hue Bridge Required$
$123.19$153.99
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SALE 24 Pack PIR Motion Sensor Switch 85-265V 40W Wall Ceiling Auto Off Night Mode
$56.00$70.00
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SALE Occupancy Motion Sensor Light Switch, PIR Infrared Motion Activated Wall Swit...
$175.99$219.99
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SALE Solar Outdoor Motion Sensor Alarm with Dog Barking Gunshot Sound, Support Rec...
$150.39$187.99
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SALE Wireless Motion Sensor Driveway Alarm - Protects Indoor & Outdoor Property
$60.79$75.99
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SALE Driveway Motion Sensor – Wireless Weather-Resistant Alarm Detector, 1/2 Mile ...
$35.19$43.99
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SALE Cooper Greengate OAC-DT-2000 Ceiling Occupancy Sensor White 360° 2000 sq ft
$41.96$52.45
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SALE 110/220v Sensitive Infrared Light Motion Sensor Automatic Sensor Light Swi R A3
$4.17$5.20
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