This thermostat is made of quality material, durable and safe to use. It is easy to install and convenient to use. Features children lock function to prevent from misoperation and data memory fuction when there is power failure._x000D_ _x000D_ Features:_x000D_ _x000D_ It uses high reliability single chip which has excellent performance and strong anti-interference ability. _x000D_ Children lock protection for preventing kids from misoperation. _x000D_ Data memory function when there is power failure. _x000D_ Holiday mode allows you enjoy a more comfortable temperature when go home from holiday. _x000D_ Easy to operate, You can also use the button on the thermostat to set different working modes. _x000D_ _x000D_ Specification:_x000D_ Condition: Brand _x000D_ Material: ABS, Plastic_x000D_ Color: White_x000D_ Power Supply: 2*AA Battery(not included)_x000D_ Power: