FEATURES:   Multiple Uses: Install the Alarm Sensor not only on frontal doors or windows, but also on garage doors, liquor closets, frontal gate, safety deposit box, pet doors and further.   Easy Install: No Need to use complicated tools when installation, just use 3M glue to install, firm and durable, The distance between the two components should be as close as possible, and the closest distance should not affect the opening or closing of the door or window.   Compatible with Alexa and Google Home: No hub needed and No freights charge, Pair our Smartlife app with either Alexa or Google Home and enjoy knowing the status of your door detector without demanding to use your phone, Accessible for you to descry your doors, windows, closets, snuggeries or anywhere you want to notified when it's opened or closed.   WIFI wireless connection: Intelligent wireless infrared detector alarm, APP Remote control, It can be used singly by connecting to WIFI without connecting to the alarm mainunit, Minimalist screen, easy operation, Real time monitoring of whether there's anyone through the Tuya APP, when there's movement detected, the alert will be drive to your phone, clear at a regard, Can be used with Alexa, Google Home and Siri.   Product quality and service: Our products are 100% tested and insure that all products are good products before leaving the plant, and give two time bond, Please rest assured to buy and use, However, please communicate our client service anytime, If you have any questions about the alarm system, We'll break it for you and make you satisfaction.      SPECIFICATIONS:  Kit Configuration: Door/Window Sensor;  Video Interface: Yes;  Alarm Type: APP;  App Control: Tuya Smart Life;  Support: Alexa, Google Assistant;  PRODUCT DETAILS:  Product Size: Approx 79mm × 46mm;  Package Weight: Approx 0.3kg