SALE 100 MA 10 x RC-33 NC Wired Door Contact Sensor Alarm Magnet Reed Switch
$12.40$14.09
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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 2mm Inductive Proximity Sensor Switch NPN Normally Open LJ8A3-2-Z/BX
$12.03$13.67
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SALE DC 8V-50V Photocell Light Sensor Switch For Automatic Switching Lights Control
$11.96$13.59
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SALE Easy To Remove Water Leak Alarm Flood Level Overflow Detector Sensor
$10.02$11.39
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SALE 120dB Touch Sensor Door Handle Alarm Anti Theft Vibration Window Burglar Alert
$13.60$15.46
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SALE DC USB Body Infrared PIR Motion Sensor Switch Detector Switch For LED Light k
$10.73$12.19
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SALE 20m Anti-Theft Alarm Infrared Detector Sensor Photoelectric Home Security System
$14.60$16.59
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SALE LED Outdoor 90~250V 180 Degree Infrared PIR Motion Sensor Detector Wall Light
$14.54$16.52
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SALE DC/AC 12-24V Universal 940nm Infrared Beam Detector Barrier Sensor Burglar Alarm
$19.91$22.62
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SALE Smart Thermometer Hygrometer Wi-Fi Temperature Humidity Sensor Home Improvement
$19.00$21.59
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SALE Universal USB Port Detector PIR Motion Sensor Switch For Led Light Strip aa
$10.73$12.19
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SALE Infrared Motion Sensor Home Garage Alert Security System DIY Your Home
$18.30$20.79
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SALE Motion Sensor DC 5V 24V Light Switch Movement Detector Automatic PIR Sen Timer
$9.85$11.19
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SALE AC PIR Infrared Body Motion Sensor Detector Control Switch Lamp Light 110V 220V
$9.85$11.19
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SALE PIR Motion Sensor Wall Switch AC100-240V Professional for Lighting Maintenance
$11.87$13.49
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SALE 1PC Automatic Infrared Ray Motion Sensor LED Lamp Home Wall Ceiling Mounted
$12.40$14.09
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SALE AC 85-265V Motion Infrared Sensor Switch For LED Lights 180° Detection Range
$11.87$13.49
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SALE Machine Room Isolated Wired Water Leak Flood Alarm Sensor Detector 12V
$24.45$27.78
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SALE 10 Sets Magnetic Reed Switch DC100V NC Recessed Wired Door Window Sensor Switch
$24.91$28.31
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SALE 2 Sets Magnetic Reed Switch NO NC Wired Surface Mounted Magnetic Contact Switch
$13.60$15.46
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SALE DC12V Infrared Sensor Switch Contactless Touch Free Door Exit Button
$15.92$18.09
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SALE 2 Sets Magnetic Reed Switch DC12 to 24V NC Wired Door Window Sensor for Home
$19.25$21.88
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SALE Wireless Infrared Gate Beam Sensor Anti Theft Alarm IP55 Waterproof for Station
$30.28$34.41
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SALE 5.8GHz Intelligent Body Induction Switch Microwave Radar Light Sensor Switch DC
$16.48$18.73
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SALE New Effective Device Water Leak Alarm Flood Level Overflow Detector Security
$9.85$11.19
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SALE Auto ON OFF Detector Infrared PIR Motion Sensor Switch For Led Light Strip
$10.55$11.99
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SALE New 45° Infrared Motion Sensor Home Garage Alert Security System
$18.12$20.59
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SALE System Sensor HW-LF Low Frequency Sounder White • 2 Wire • New In Box
$29.00$32.78
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SALE HOMSECUR Wireless Infrared PIR Motion Sensor Detector Security Alarm System 433
$40.65$46.19
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SALE Cartell CP4 Vehicle Sensor Kit Exit Wand 5 Wire Exit Vehicle Detector - CP-4
$175.00$199.95
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SALE Cooper Greengate OAC-DT-2000 Ceiling Occupancy Sensor White 360° 2000 sq ft
$46.16$52.45
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SALE 3PCS Wireless PIR Motion Detector For 433MHz Home Security Burglar Alarm System
$40.74$46.29
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SALE HOMSECUR 433MHz Wireless PIR Motion Detector For HOMSECUR GSM Alarm System
$19.97$22.69
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SALE SimpliSafe Motion Sensor Lot of (4) 1st Generation & (5) Entry Sensor NEW BUNDLE
$52.79$59.99
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SALE 10ft-23ft Infrared Motion Sensor Home Garage Alert Security System
$18.30$20.80
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SALE 3-5m Automatic Body Infrared PIR Motion Sensor Detector Switch For LED light E
$9.77$11.10
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SALE 12~24V Home Security One Beam Alarm Photoelectric Infrared Laser Sensor Detector
$14.56$16.55
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SALE High Precision Thermometer Hygrometer Wi-Fi Temperature Humidity Sensor Monitor
$18.82$21.39
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SALE 5-24V USB Port Detector Infrared PIR Motion Sensor Switch For Led Light Strip hh
$10.55$11.99
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SALE Auto ON OFF Detector Infrared PIR Motion Sensor Switch For Led Light Strip 5-24V
$10.55$11.99
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SALE Automatic Light Sensor Control Switch DC 8V-50V Photocell Light Switch Parts
$11.78$13.39
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SALE 12-24V 24.125GHz Human Inductive Motion Microwave Radar Motion Tracking Sensor
$18.47$20.99
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SALE 3-5m Automatic Body Infrared PIR Motion Sensor Detector Switch For LED light F
$9.67$10.99
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SALE 10 x RC-33 NC Wired Door Contact Sensor Alarm Magnet Reed Switch 100V
$12.22$13.89
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SALE AC 85-265V Replacement Motion Infrared Sensor Switch For Outdoor 180° Detection
$11.70$13.29
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SALE 20M Single Beam Detector Alarm Photoelectric Infrared Laser Sensor Anti Theft D
$14.42$16.39
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SALE New Water Leak Alarm Flood Level Overflow Detector Sensor Home Security Alert
$9.85$11.19
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SALE Home Security Single Beam Alarm Photoelectric 20M Infrared Laser Sensor Detector
$14.42$16.39
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