The magnetic wireless door is convenient and practical, with excellent texture, and can serve you for a long time without being . The craftsmanship can serve you well without breaking. This is a very practical magnetic wireless door. Features - Color: White - Material: ABS - Size: 8. 20X4. 20X1. 60cm/ 3. 22X1. 65X0. 63in Note: random sign type：2 x ( not included ) Stand current：open: 28. 4uA close: 28. 1uA Trigger current：43mA Pairing current: 37mA Working time：4000 times Operating temperature：0 degree centigrade- 40 degree centigrade ( 32°F- 104°F ) Operating Humidity：20%- 85% Storage Temperature：0 degree centigrade- 60 degree centigrade ( 32°F- 140°F ) Storage Humidity：0%- 90% Wireless Type: 2. 4GHz Protocol: 802. / g/ n Wifi distance: 45m - 2. 4GHz WiFi one- , easy installation, home is needed, and can be achieve intelligent control of household appliances. - 2. 4GHz protocol is stable, fast and convenient in use. - It will send push notification if or are opened or invaded external object, and you will immediately know that there is an abnormality in your home. - Support, easy to control door or window open remotely. - Powered 2pcs batteries ( not included ), low consumption and long life. Package list: 6 x door alarm