YoLink Smart Garage Door Sensor, Garage Door Position Sensor with Door Left-Open Reminders, Alexa, Google, IFTTT, Home Assistant (Hub Required) Sachets and screws are also thoughtfully

and screws are also thoughtfully packed in different small bags to prevent loss

plane air flow can greatly increase the user's control of the air

and tools or purchase the 5D/20D glass for increase magnification

[Energy efficient]: With a power of 20W

[USB or Battery Power]: Two ways of power supply: 3* AA Batteries (Not included) or USB connection (Suggested)

YoLink Smart Garage Door Sensor, Garage Door Position Sensor with Door Left-Open Reminders, Alexa, Google, IFTTT, Home Assistant (Hub Required) Sachets and screws are also thoughtfullyAbout This PROTECT YOUR PERIMETER! You are at risk of intrusion through your garage door, especially if your vehicles with garage door buttons are parked outside! The YoLink Garage Door Sensor allows you to monitor the status of your garage door, from anywhere at any time. You can "arm" the door on a schedule or as part of a scene or on demand, to protect you and your family while you sleep. OPEN DOOR ALERTS inform you if your garage door is left open