The Wireless Thermostat Auto-Shut Outlet Temperature Controller Plug with RF Remote is a white, programmable thermostat designed for home heating devices. It operates on 1.5V AAA batteries and has a wireless transmission frequency of 433.92 MHz. The controller features a digital display, automatic shut-off, and remote control capabilities. It is compatible with universal heating devices and offers features such as freeze protection and low voltage protection. With a maximum rated power of 1800W and a 15A maximum rated current, this thermostat provides efficient and convenient control of your home heating system. The unit is new without box please message me with any questions.