1Remote Monitoring: Check home temperature and humidity remotely via for Qingping+ or for Mi Home app. This product works with for Mi Home app in EU countries. 2Alarm Clock Setting: Set your alarm clock remotely and sync it with network time daily. 3Smart Linkage: Receive and transmit signals for Mi Home BT Gateway sub devices. 4Compatibility: It works with for Qingping Temp and RH Monitor M version, for Qingping Temp and RH Monitor Lite, for Qingping BT Alarm Clock and more are on the way. 5Compact and Simple: A small, straightforward device that provide better device compatibility, more convenient control methods, and more advanced features. integrates seamlessly with your smart home setup. Specifications: Colour: White Wireless Network: Supports BT 4.2 and Wi-Fi 802.11 b/g/n 2.4GHz. Working Environment: Temperature -10 ~ 40, Humidity 0 ~ 90%RH (no condensation). Size : 62.16 x 42 x 31.5mm / 2.44 x 1.65 x 1.24in Weight: 46g / 1.62oz 1*BT Gateway