SALE Solar Motion Sensor Alarm with Remote Control
$35.19$43.99
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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 Personalized Recording Security Alarm System
$47.99$59.99
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SALE SimpliSafe Original Generation (MS1000) Motion Detector Sensor - Lot of 2
$15.99$19.99
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SALE Replaceable Voice Motion Sensor PIR Infrared Sound Player Haunted House Screa...
$16.00$20.00
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SALE Smart Vibration Sensor with 110dB Alarm,Zigbee Hub Required,Adjustable Sensit...
$35.19$43.99
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SALE Internal Backwater Valve,2-F 2" Float Model Flood-Guard for 2-inch Flood Drai...
$26.39$32.99
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SALE hepside 13inch Flush Mount Ceiling Light Fixture 2 Pack, 13inch-2Packs, Black
$66.99$82.99
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SALE *Kidde WiFi Water Leak Detector & Freeze Alarm, Alexa Device, Smart Leak
$13.00$15.99
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SALE HKZTUY Ceiling Fan LED Light Replacement Panel, 18W 4.92 in, Inch, White
$15.66$19.35
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SALE Sabre Motion Alarm with Keypad — 120dB, White, Model# HS-MSA NEW
$13.95$17.17
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SALE ECOBEE SMARTSENSOR - EB-DWSHM2PK-01 - BRAND NEW SEALED
$40.69$50.00
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SALE Surface Mount Wired NC Door Sensor Alarm Magnetic Reed Switch White MC-38
$12.87$15.70
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SALE 10pcs RC-36 N.C. Recessed Magnetic Wired Door Contact Sensor Alarm Reed Switch
$25.96$31.66
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SALE Merkury Innovations WiFi Water Leak Sensor and Alarm, Smart Water & Flood...
$14.00$16.98
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SALE DSC PG9922 (915-3-016) Wireless Glass Break Detector
$65.00$79.00
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SALE 202A automatic reset switch wardrobe cabinet light switch door control swit X A3
$4.18$5.12
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SALE 1*202A Automatic Reset Switch Wardrobe Cabinet Light Switch Door Control .82 A3
$4.46$5.42
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SALE LEVITON DECORA IPS02 (WHITE) MOTION SENSOR AUTO-ON SWITCH AUTOMATIC-ON OCCUPANCY
$12.99$15.85
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SALE DC5V-24V PIR Motion Sensor Bathroom IR Infrared Human Body Induction Dectector
$11.64$14.20
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SALE 4x Ecolink WST-212 Wireless Door Window Contact Sensor with Local Bypass Button
$32.65$39.34
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SALE Automatic Water Leak Detector w/ Sensors & Stut-off Valve Water Leak Detecting
$70.60$85.00
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SALE GE Interlogix 60-807-95R Wireless Motion Sensor, Simon XT XTi Concord
$30.00$35.99
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SALE Automatic Water Leak Detector w/ Sensors & Stut-off Valve Water Leak Detecting
$70.60$85.00
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SALE SimpliSafe Home Security System Panic Button Model PB3 White - NEW Gen3
$19.88$23.95
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SALE Sensorswitch Bracket,For Occupancy Sensor WV BR Sensorswitch WV BR 745975810109
$30.64$36.99
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SALE 2 - Bunker Hill Security Door / Window Entry Alarm 2 Pack of 2 94983 New Sealed
$9.87$11.88
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SALE SONOFF Zigbee Presence Sensor, 24GHz mmWave Radar Motion Detectors, Hub Required
$24.99$29.99
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SALE SONOFF Zigbee 3.0 Presence Sensor with 24GHz mmWave Radar, Human Motion Detector
$24.99$29.99
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SALE SONOFF Human Presence Sensor with 24GHz mmWave Radar, Smart Zigbee Motion Sensor
$24.99$29.99
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SALE Bunker Hill Security Door / Window Entry Alarm Pack of 2 Item 94983 New Sealed
$9.99$11.88
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SALE Sensorswitch Wall Switch,Dimming,Ivory NPODM DX IV Sensorswitch NPODM DX IV
$124.03$146.99
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SALE NEW Simplisafe MOTION SENSOR White CA001 (Latest Model)
$14.99$17.95
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SALE Airthings 2950 Wave Radon Smart Detector Humidity Temperature Sensor
$63.99$76.52
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SALE Mypropane | Propane Tank Monitor | No Recurring Fees | 4G/5G LTE | Solar Chargin
$273.83$325.99
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SALE X-10 Dual Floodlight Motion Detector With Remote Light Control PR511 N
$50.00$59.44
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SALE Ring Glass Break Sensor Alarm (2-Pack) White 4AG1S1-0EN0 Security
$59.99$71.62
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SALE Wyze Home Monitoring Bundle Hub Keypad Motion 2 Entry Sensors System Kit
$39.87$47.24
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SALE Sensorswitch Push Button Wall Switch,Ivory NPODM IV Sensorswitch NPODM IV
$107.73$127.99
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SALE Chamberlain 820CB Replacement Opener Garage Door Safety Sensors, Black
$21.48$25.27
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SALE Pack of 1 Dusk-to-Dawn Sensor – White, Certified, 3 Inch Post Mount
$25.30$29.77
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SALE Smart Power Fail Alarm - LoRa Wireless, Remote Monitoring, App & SMS Alerts
$55.89$65.75
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SALE Telko Pro System SY052 Motion Activated Sensor With Exterior Siren
$30.59$35.99
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SALE 3 Pcs Wired Door Contact Sensor NO NC Magnetic Reed Switch Black
$21.88$25.74
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SALE Radon Detector Color Display RM-62 LifeBasis Portable TFT Rechargeable 504-Day
$38.24$44.99
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SALE Wired Door Contact Sensor NO NC Type Surface Mount Magnetic Reed Switch Black
$14.35$16.88
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SALE Water Leak Detector 3 Pack - WiFi Smart Sensor, 100dB Alarm, Remote Alerts, Home
$86.87$102.20
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SALE WiFi Water Leak Detector 3 Pack - 100dB Alarm, SMS & Email Alerts, 200M Range
$67.94$79.93
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SALE PV 1000 PIR Recording Voice Player Motion Detector Home Security Tested
$20.40$24.00
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