WiFi intelligent air conditioning temperature control: touch buttons, classic design. The APP controls the temperature controller remotely at any time and any place. Voice control: A simple voice command to control temperature control. The brightness of the screen backlight can be adjusted, and the backlight can be set or turned off, providing a perfect sleeping environment. Accurate temperature control, more comfortable: 0.5 ℃ temperature accuracy setting, 0.1% ROCM temperature monitoring display, 0.5 ℃ temperature hysteresis setting. Manual mode switching operation is simple: the "M" key switches modes, and the "+" and "-" keys manually change the current target temperature. Ventilation mode adjustment: 4 selectable modes: high/medium/low/and automatic. And it has a child lock function, which locks the screen to prevent children from accidentally operating it. Power supply:110-220V, 50-60HZ Fan relay resistance:5A; Inductance: 3A Valve relay amplifier resistance:3A: inductance: 1A Set temperature:5-35℃ Display temperature range:5-99℃ Storage temperature:-5-45℃ Sensor: NTC3950,10K Accuracy: ± 0.5 ℃ Environmental temperature: 0-45 ℃ Power consumption:Less than 1.5W Timing error:Less than 1% Environmental humidity: 5-95% RH (non condensing) Quantity:3Pcs/4Pcs Color:Black Material:PC+ABS Package Contents: 3 * Air conditioner thermostat switch / 4 * Air conditioner thermostat switch 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.