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.<br><br>Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Colour:White Material:Plastic<br><br>Package Contents: 1 * WiFi Gas Boiler Thermostat<br><br>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.