LCD display screen with adjustable backlight. Knob type temperature adjustment, embedded panel, suitable for 86 type cassette. 5+1+1 mode preset adjustment per week, programmable settings for 6 time periods per day, green and energy-saving. Support group control and home sharing. Equipped with child lock function, it can avoid excessive electricity consumption or life impact caused by children accidentally touching the temperature controller. The high-temperature protection function can protect you from the danger caused by high temperature, and the temperature controller will automatically stop heating. Current load: 5A ( water gas boiler) Sensor: NTC3950, 10K Accuracy: 1 Set temperature range: 5-35 C Room temperature range: 5-99 C Display temperature range: 5-99 Environmental temperature: 0-45 Environmental humidity: 5-95% RH (non condensing) Storage temperature: -5-45 C Power consumption:Less than 1.5W Timing error:Less than 1% Colour:White Material:plastic+metal Package Contents: 1 x WiFi Smart Thermostat 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.