Fainwan 2Pcs AC 120-277V Photoelectric Switch Dusk To Dawn Button Flush Mount Photo Control Eye Switch Light Photocell Sensor

Ring Alarm Contact Sensor 6-Pack - 2nd Gen | Monitor 6 Doors Or Windows | Instant Alerts | Approximately 3-Year Battery Life | Slim Design | Easy

Macarrie 4 Pieces Motion Sensor Sockets Indoor Plug In Sensor Light Control Switch 120 Degrees Motion Activated Detector Plug Outlet For Corridor

Wireless Motion Sensor Outlet With Timer, Plug-N-Play PIR Motion Activated Switch, Indoor Motion Detector For Lights & Exhaust Fan (110V-120V) Of

DC 5V 2A PIR Motion Activated Mini Body Sensor Switch With USB Interface Cable For LED Strip Light (Without Light Sensor, White)

Honeywell C7189U1005 Hardwired Indoor Remote Sensor

Simplisafe Entry Sensor (Pack Of 4) - Window And Door Protection - Compatible With The Simplisafe Home Security System - Latest Gen

5 Pack Water Leak Detectors For Home, 100Db Water Sensor Alarm For Basement,Flood Leakage Detection Devices For Pipe/Drain/Sink/Faucet Drip Alert,

Dorhea 4Pcs HC-SR501 Pir Motion Infrared Human Body Sensor Module Pyroelectric Infrared Motion Detector Module For Raspberry Pi Microcontrollers

6PCS AM312 Mini Sensor Module Infrared Motion Automatic Detector DC 2.7 To 12V With 10Pin Wire For Arduino

RC-35 NC/NO Recessed Wired Window Door Contact Sensor Alarm Magnetic Reed Switch For Office Home Security System, Sets Of 5

Biaungdo 4 Pcs Brown Wired Magnetic Contact Reed Switch, Surface-Mounted NC Sensor Alarm For Window, Cabinet, Wooden Door, With Screws

Driveway Alarm- 1/2 Mile Long Range Wireless Driveway Alarm Weather Resistant Motion Sensor&Detector-DIY Security Alert System-Monitor&Protect Outdoor

KEYESTUDIO 37 Sensors In 1 Box Starter Kit For BBC Micro Bit With Tutorial (Without Microbit Board), Compatible With V1.5, V2 Microbit Sensor Kit

MC-31 NC Surface Mount Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch, For Home Security And Burglar Alarm Systems, Sets Of 3,