Usage Tips:1,Large touch screen with LED digital display, easy to read. With child lock function to avoid misoperation. Compact size and concise appearance. 2,WIFI(2.4GHz), APP remote control Smart thermostat can be installed on the wall and used to control the floor heating device. 3,With an internal sensor and an external sensor, measures ambient temperature and floor temperature, and provides high temperature protection. 4,Automatically obtain the temperature, intelligent temperature control, with high accuracy to keep temperature within the level you set. 5,This thermostat is suitable for electric heating systems. It is a perfect choice for various settings such as homes, offices, shopping malls, hotels, and more. The MH1828AW intelligent constant temperature control uses a dvanced intelligent electronic control technology. lt is applied to control underfloor heating devices.with built-in sensors measuring room temperature and controlling indoor temperature, and external sensors measuring floor temperature or heating equipment temperature to achieve high temperature protection, preventing heating devices from burning out due to high temperatures. Colour:Black Material:ABS Package Contents: 1 x Thermostat 1 x Temperature Sensor Cable 1 x English instruction manual Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.