SALE 4pcs RC33 NO Recessed Wire Door Contact Sensor Alarm Magnetic Reed Switch White
$17.54$20.63
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
Security Deals
Discounted security listings from eBay sellers, biggest markdowns first. Prices and availability change fast — confirm on eBay before buying.
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE 
SALE MC-59 NC Alarm Security Contact Magnetic Reed Switch for Rolling Gate Garage
$17.94$21.11
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE SimpliSafe Motion Sensor Compatible with Gen 2 Security System
$12.74$14.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE 4pcs RC-33 NO Recessed Wired Security Contact Sensor Alarm Magnetic Reed Switch
$20.65$24.30
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE MC-59 NC Alarm Rolling Gate Garage Door Contact Magnetic Reed Switch
$17.94$21.11
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE ABS 10 x RC-33 NC Wired Door Contact Sensor Alarm Magnet Reed Switch
$12.28$14.45
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Automatic Light Sensor Control Switch DC8-50V Photocell Light Switch Repair Part
$11.84$13.93
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE 328ft Infrared Motion Sensor Home Garage Alert Security System
$18.20$21.41
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Wall Mount 24.125GHz Human Inductive Motion Microwave Radar Sensor For Elevators
$18.56$21.83
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE 5-24V USB Port Detector Infrared PIR Motion Sensor Switch For Led Light Strip
$10.60$12.47
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE AC 85-265V Motion Infrared Sensor Switch For House Garden 180° Detection Range
$11.75$13.82
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Motion Sensor DC 5V 24V Light Switch Movement Detector Automatic PIR Sen I
$9.72$11.43
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Infrared Sensor Switch AC100-240V Brand New 1PCS for Office & Home Lighting
$11.75$13.82
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE 2 Pack Rechargeable LED Spotlight for Indoor, Wireless RGB Spot 2 Pack, White
$21.24$24.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE NIB Honeywell Water Leak Flood Defense Alarm Detector RWD41 Sink Laundry Heater
$16.99$19.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE 2 x RC-33 NC Recessed Wired Door Contact Sensor Alarm Magnetic Reed Switch White
$14.37$16.90
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE TESTED WORKS STI Rex Watch Dog ED-50 Electronic Barking Dog Alarm w/ Power Cable
$29.71$34.95
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Philips Hue Outdoor Motion Sensor Smart Light Control 160 Degree Detection Area
$81.99$95.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Sonin Water Alarm with Flat Sensor 00701 New E53
$25.16$29.60
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Hidden Camera Lens Finder Portable Privacy Detector Travel Hotel Black
$48.43$56.98
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Motion Detector Switch AC100-240V High Quality Replacement for Light Control
$12.43$14.62
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE 5V-24V PIR Infrared Ray Motion Sensor Switch USB/DC LED Detector Switching j
$11.21$13.19
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Type-C Charging Thermometer Hygrometer Wi-Fi Temperature Humidity Sensor Monitor
$20.00$23.53
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE 2pcs PIR Motion Sensor Switch Wall Light Switch For Power Consumption: 0.5W
$14.02$16.49
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE 3-5m Automatic Body Infrared PIR Motion Sensor Detector Switch For LED light
$10.28$12.09
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE 1Pc USB Port Detector Infrared PIR Motion Sensor Switch For Led Light Strip aa
$11.21$13.19
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE New 100 MA 10 x RC-33 Wired Door Contact Sensor Alarm Magnet Reed Switch
$12.99$15.28
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE DC 12V-48V Dusk To Dawn Photocell Light Switch 8-50V Light Sensor Control Switch
$12.52$14.73
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE AC 85-265V Motion Infrared Sensor Switch For Exhaust Fan 180° Detection Range
$12.43$14.62
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE 5V-24V Automatic PIR Body infrared LED Strips Light Motion Sensor Switch
$10.28$12.09
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE PV 1000 PIR Recording Voice Player Motion Detector Home Security Tested
$20.40$24.00
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE ADI Pro Request To Exit REX PIR Motion Detector Device Off White New E43
$38.78$45.62
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Leviton ODS10-IDE Ceiling Mount Occupancy Sensor 24VDC 1000 Sq Ft Black
$67.99$79.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Wired Garage Door Sensor with Adjustable Bracket & Metal Zinc Alloy - Secure Fit
$16.14$18.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Superior TC102 Infrared Sensor - 65ft Motion Detector for Home & Industrial Use
$46.74$54.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Energy-Saving Motion Sensor Light Switch for Home Automation – 250W Capacity
$37.39$43.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE 110dB Wireless Door and Window Alarm - 4 Modes for Ultimate Home Security
$30.59$35.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Battery-Powered Motion Detector Alarm with Wide Coverage - Home & Store Use
$33.99$39.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Hassle-Free Installation Infrared Gate Sensor with Fast Detection Capability
$32.29$37.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Expandable Wireless Doorbell with Motion Detection - 32 Tones & 5 Volume Options
$36.54$42.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Indoor Motion Sensor Alarm with Volume Control & 35 Tones - Perfect for Stores
$32.29$37.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Compact Zigbee Vibration Sensor with Long Battery Life & Home Automation
$32.29$37.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Compact NC Wired Door Alarm Sensors - 4 Pack with Double-Sided Tape Installation
$19.54$22.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Advanced Motion Sensor Doorbell & Fall Detection Alarm for Seniors - 918ft Range
$34.84$40.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Battery-Powered 90DB Window and Door Alarms - 15 Pack for Serious Home Security
$33.99$39.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Revolutionary Motion Sensor - 180-Degree Detection & Timer Control for Safety
$19.54$22.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Compact 120 dB Door Alarms with Low Battery Indicator for Home Protection
$37.39$43.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.
SALE Kids Safety Door Alarms with Easy Installation - 2 Pack System for Peace of Mind
$22.94$26.99
View on eBay
Affiliate link — we may earn a commission, at no extra cost to you. Read our affiliate disclosure.