Features: [Thermostat App Control] Smart thermostat that can be controlled by your cell phone before you go home. (App: Smart Life) Voice control Works with Yandex Alice, Amazon Alexa, Google Home. Silver trim Silver trim with elegant design. Manual mode/Auto mode Free to choose manual mode or auto mode according to different uses. Weekly program Weekly program, the thermostat supports different temperature settings and conforms to 6 time modes per day. Memory function No need to worry about power failure, power failure data memory. Child lockKeypad lock function is designed to prevent children from misuse. Specifications: Type: WiFi Color: Black Rated voltage: AC 90-240V 50/60Hz Maximum current load: 16A/3A/3A (optional) Accuracy: 0.5~32.9//F Probe sensor: NTC10K1 %3950 Temperature range: 1~70C (default 5 - 35C) Power consumption: <2W Timing error: <1% Case material: PC (flame retardant) Sensor: built-in sensor to measure ambient temperature, external sensor to measure high temperature protection Installation distance: 60 mm Protection level: IP20 Button: Touch button Commodity size: 86 * 86 * 40 mm / 3.4 * 3.4 * 1.6 inches Commodity