Haofy Wired Sensor Magnetic Contact Sensor Sensor Sensor Switch Blade Door Roller Shutter for Security Garage Alarm at Home for Door Security

Haofy Magnetic Contact Wired Sensor, Roller Shutter Door Reed Switch Sensor Detector Switch for Home Garage Alarm Security for Window Door Security

Shelly Plus Add-On | Wi-Fi & Bluetooth Add-On For Shelly Plus Devices | Temperature and Humidity Sensor Interface | Home Automation | Works with Alexa & Google Home | iOS Android App | No Hub Required

Shelly 1 Mini Gen3, WiFi Smart Switch Relay, 1 Channel, 8A, Home Automation, Dry Contacts, Garage Door Remote Control, Compact Size, Alexa & Google Home, No Hub Required (2 Pack)