Smart Thermostat Controller - Embrace Intelligent Heating: Connect, Control, Comfort in anywhere Compatibility (Compatible with various heating systems). Smart Home Integration (Seamless WiFi Connectivity). Convenience and Voice control (Alexa and Google Assistants). Energy Efficiency (Weekly Programmable). Smart Thermostat Controller is effective control (One device for family). DIMENSION & SPEC. Voice Control: Amazon Alexa/Echo/Google home Power Supply: 110~240VAC Power Consumption: Less than 1.5w Current Load: 5A (water heating/water boiler/gas boiler) 16A (electric heating) Installation: Wall mounted Ambient Temp: 0~45 Celsius Ambient Humidity: 5~95%RH (Non-Condensing) Shell Material: PC +ABS (Fireproof)