The Lux WIN100 Programmable Outlet Thermostat is a versatile device that allows you to control the temperature of your home with ease. This thermostat by Lux is compatible with a wide range of products such as space heaters, through-the-wall/window air conditioners, and is programmable with 4 periods per day. The rectangular-shaped thermostat comes in white color and is designed to work with temperature sensor technology. The WIN100-A05 model by Lux is perfect for those who are looking for a programmable thermostat that is simple to operate and can be used with a variety of heating and cooling appliances.