$25.1

Anti-Clip Automatic Sliding Door Safety Beam Sensor Door Safety Infrared Device

$9.81

Motion Sensor DC 5V 24V Light Switch Movement Detector Automatic PIR Sen F

$27.95

3/8" Recessed Wired Security Door Window Alarm Contact Brown (10 Pack)

$11.99

5-24V USB Port Detector Infrared PIR Motion Sensor Switch For Led Light Strip ss

$59.87

STI Rex Plus Safety Technology International Ed-50 Barking Dog Alarm

$30

2GIG Wireless Z-Wave Indoor Glass Break Detector Sensor White 2GIG-GB1-345

$15.86

5pcs Wired Door Contact Sensor NC Surface Mount Magnetic Reed Switch Black

$14.95

Neos Smart Motion Kit, Smart Leak Sensor Kit, Smartcam Unused Set Hedge

$79

Seco-Larm E-960-D90Q ENFORCER Twin Photobeam Detectors with Laser Beam Alignment

$8

10pcs Haosie Wired Door Window Sensor Magnetic Switch For Home Alarm System

$30

Watt Stopper HB350B-L4 High Bay Occupancy Sensor 360 Degree lens 120/277 VAC

$75

Steinel COM1-24 Presence Control Pro SENSOR Occupancy Sensor DT Quattro