Feature: 1. Heating Control: Through the knob to adjust the temperature, you can precisely control the heating temperature, rich function selection, support for Modbus, WIFI, room card and so on. 2. Knob Adjustment: Knob design, easy to operate, according to the season, indoor demand and other factors, easy to control the operation of the heating system. 3. LCD Display: Clearly display the current, set temperature and other information, intuitively understand the indoor temperature, convenient real time adjustment of temperature. 4. Simple Operation: The user can set the temperature, mode selection and other operations, simple and convenient operation, power off protection, safely save all your Settings. 5. Multi Functional: Stable current switch, accurate design, can stably control the indoor temperature, can access for TmallGenie, for Amazon echo, for Google Home, experience a new voice control method. Specification: Item Type: Smart ThermostatMaterial: ABS .Voltage: 95-240v Ac, 50-60hz Or 24v Dc/Ac, 50-60hz Sensor: NTC3950 , 10K Room Temperature Range: 5-70°C Set Temperature Range: 5 ~ 35°C Display Temperature Range: 5~70°C Ambient Temperature: 0~45°C Ambient Humidity: 5~95%Rh (Non Condensing) Storage Temperature: -5~45°C Power Consumption: <1.5 W Protection Class: Ip20 Button: Capacitive Touch Current Load: 5a (Water Heating, Water Gas Boiler) / 16a (Electric Heating) Installation Box: 86x86mm/3.39x3.39in Square Box Or European 60mm/2.36in Round BoxTerminal Blocks: Wires 2x1.5 Mm² Or 1x2.5 Mm² Package List: 1 x Smart Thermostat2 x Screw1 x Manual1 x Wiring Cable