Heating/Cooling Function - The thermostat can be switched between cooling and heating functions at any time as the seasons change, providinga comfortable temperature at alltimes. Weekly Programmable - 7 day programmable weekly schedule, 6 times period/day can be setting on app. Precise Temperature control More comfortable, Temperature Calibration - Display range difference,adjustable temperaturecallbration(-9.9 to 9.9). Anti-frost function - If the Water Gas Boiler is not turned on for a long time the thermostat automatically turn on for a short time. Children Lock - Locking function designed to prevent children from operating by mistake. Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Colour:White Material:Plastic Package Contents: 1 * WiFi Gas Boiler Thermostat 1 * RF433 Water Gas Boiler Actuator 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.