SALE Wall-Mount Power Failure Alarm with Rechargeable Battery - Secure Your Appliance
$41.39$45.99
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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 NEW 🔥 Aqua Gaurd Multipurpose Water Sensor AG-1250E
$17.95$19.95
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SALE Zigbee 3.0 Smart Automatic Water Shut Off Valve 3/4 Inch, Leak Detection Sensor
$132.30$147.00
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SALE Cooper Greengate OAC-DT-1000-R Dual-Tech Ceiling Occupancy Sensor 1000 sq ft
$30.60$34.00
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SALE Water Level Indicator. Custom Accessories, Incorporated Part Number 26661.
$8.09$8.99
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SALE GE Choice Alert Wireless Motion Sensor 45132 Home Security Alarm Sys NEW Sealed
$8.09$8.99
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SALE Tuya Smart WiFi Smoke Sensor Fire Protection 85dB Sound Security System Control
$23.32$25.91
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SALE Solar Motion Sensor Alarm emits loud dog barking & gunshot sounds up to 130db
$35.09$38.99
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SALE Water Leak Detector Underground Water Pipe Leakage Monitor Digital Disp. F999
$237.77$264.19
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SALE Tuya Smart WiFi Smoke Sensor Fire Protection 85dB Sound Security System ControG0
$26.09$28.99
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SALE Water Leak Detector Underground Water Pipe Leakage Monitor Digital Disp. F999-L
$266.19$295.77
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SALE Wireless Driveway Alarm 1800ft Solar Motion Sensor, Weatherproof, Rechargeabl...
$99.89$110.99
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SALE 3pcs MC38 Surface Mount Wired NO Door Sensor Alarm Magnetic Reed Switch White
$20.51$22.79
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SALE ABS Water Leak Alarm Flood Level Overflow Detector Sensor Home Security
$10.34$11.49
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SALE Kidde Smart Water Leak and Freeze Detector WiFi Alexa Google 60WLDR-W
$15.99$17.68
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SALE Auto ON OFF Detector Infrared PIR Motion Sensor Switch For Led Light Strip b
$11.06$12.29
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SALE Philips Home Security: A Two-Pack of Battery-operated Window and Door Alarms
$10.79$11.99
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SALE Smart WiFi Temperature Humidity Sensor Meter LCD Hygrometer Thermometer Monitor
$19.52$21.69
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SALE 20M Single Beam Detector Alarm Photoelectric Infrared Laser Sensor Anti Theft B
$15.02$16.69
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SALE Door Window Vibration Alarm 130dB, Glass Break Sensor Anti-Theft Security Alarm
$22.49$24.99
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SALE For Leakage Sensor For 5188902-X4
$249.98$277.76
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SALE Door Contact Sensor Alarm 120dB Adjustable Volume Door Chime for Home Security
$20.69$22.99
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SALE 4-Pack, Dusk to Dawn/Day Night Sensor, Photoelectric Switch, Photo Cell Senso...
$60.25$66.94
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SALE MC-31 Wired NC Magnetic Door Window Contact Sensor Alarm Reed Switch, 5 Pack
$13.49$14.99
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SALE 2-Pack, Dusk to Dawn/Day Night Sensor, Photoelectric Switch, Photo Cell Senso...
$29.65$32.94
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SALE Solar Motion Sensor Alarm 130db Loud Dog Bark Gunshot Sound 3 Modes Strobe
$145.79$161.99
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SALE Smart Motion Activated Light Switch - Auto-On/Off, Sleek Design, Versatile Use
$37.79$41.99
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SALE Powerhouse X-10 SP554A Home Security Wireless P.I.R. Motion Detector
$42.74$47.49
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SALE Easy Installation Double-Sided Adhesive for Ring Alarm – 5 Sensor & Magnet Pads
$11.69$12.99
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SALE DC Wiring Motion Sensor 12V~24V LED Strip Light Stair Controller Steps Staircase
$96.29$106.99
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SALE DIY Wireless Driveway Alarm - 1 Receiver & 2 Weather-Resistant Sensors Included
$75.57$83.97
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SALE Easy Install 1/2 Mile Range Wireless Motion Detector for Home Security
$64.77$71.97
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SALE DC 12~ 24V Wiring Motion Sensor LED Strip Light Stair Controller Steps Staircase
$96.29$106.99
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SALE DC 12V 24V Wiring Motion Sensor LED Strip Light Stair Controller Steps Staircase
$96.29$106.99
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SALE HOMSECUR E1 Pet-Immune PIR Detector For ZD01-4G 4G WIFI Alarm System
$51.56$57.29
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SALE Alarm System PIR Motion Detector Sensor 433 MHz Detect Distance 23M & 1 Barrier
$41.66$46.29
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SALE Door Contact Sensor Alarm 120dB Adjustable Volume Door Chime for Home Security
$26.09$28.99
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SALE 360° Smoke Detector Fire Alarm 85dB Loud Alert DC3V Photoelectric Sensor
$24.29$26.99
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SALE 4-Pack Replacement Battery for Ring Doorbell - 6040mAh Rechargeable Black
$60.29$66.99
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SALE Barrina (6 Pack LED T5 4 Feet-6 Power Cords, 6500k Super Bright White
$74.69$82.99
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SALE GE Indoor Security Audible Window/Door Alarms 2-Pack Sensor NEW
$18.00$20.00
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SALE HUBBELL PIR-10-EMS RECESSED CEILING MOUNT PIR OCCUPANCY SENSOR, 24V, WHITE
$35.10$39.00
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SALE Plug & Safe Intruder Detector Model PS8 Home Security Device Wireless & Portable
$17.99$19.99
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SALE WiFi Water Leak Detector & Freeze Alarm W/App Alerts
$26.97$29.97
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SALE 3-5m Automatic Body Infrared PIR Motion Sensor Detector Switch For LED light H
$9.89$10.99
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SALE Wired Door Contact Sensor Black Garage NC Surface Mount Magnetic Reed Switch
$13.25$14.72
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SALE DC PIR Motion Sensor Switch Light Sensor USB Interface for LED Light White 2Pcs
$22.12$24.58
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SALE 5V-24V PIR Infrared Ray Motion Sensor Switch USB/DC LED Detector Switching n
$10.79$11.99
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