· wi-fi and bluetooth technology with dual modules
· control anywhere and anytime with your device
· work with google assistant, amazon alexa and apple homekit
· the effective sensing distance between product main body and accessories is about 0.5inch
· installation angle: the main body and accessories are installed on the same horizontal plane and can be fixed with 3m glue
· removable battery
it can accurately and clearly monitor the state of the door and window magnetic detector. very applicable for villas, leisure centers, stores, shops, hotels, families, etc.