1、Support Voice Control: The thermostat support for Tmall, for Google Home, for Yandex Alice, for Xiaomi Smart, for Xiaodu Smart wireless control. 2、Precise Temperature Control: Temperature control accuracy (±0.5℃), providing the warmth you want, adjustable according to needs. 3、Power off Protection: Support power off protection, and the information will not be lost when power off suddenly, use with confidence. 4、Programming Mode: Programming mode, 6 periods a day programmable setting, ECO, less cost, smarter and more environmentally friendly. 5、Easy Installation: The display panel can be moved at will, no need to reserve a cassette or punch for installation, easy to install. 1 x Thermostat1 x English Manual1 x USB Cable1 x Metal Accessory2 x Expansion Tube2 x Screw1 x Wifi Gateway Item Type: Water Heating ThermostatPanel Material: PC, ABS Engineering Plastic (flame retardant)Gross Weight: 328g / 11.6ozFeatures: Controlled water heating, only internal temperature sensor, with wifiTemperature Controller Panel Product Size: Approx.130 x 90 x 17.5mm / 5.1 x 3.5 x 0.7in, Installation Size: Approx.60mm / 2.4inWifi Gateway Product Size: Approx.99 x 86 x 24.2mm / 3.9 x 3.4 x 1.0in, Installation Size: Approx.60mm / 2.4inSensing: NTCReceiver Installation: wall mounted installationProtection Level: IP20Key Type: capacitive touch keyScreen: LEDApplication: Water heatingAdditional Features: timing programming, WiFi functionCurrent: 3AVoltage: 95-240V, 50Hz, 60HzUSB: 5VController Power Supply: 2 x AA battery USB(shipped without battery)Purpose: Smart homes, shopping centers and industrial sites.