Smart Connectivity: Control your heating remotely with the Tuya WiFi Smart Thermostat. This device is compatible with the Smart Life or Tuya app, allowing you to adjust the temperature in your home from anywhere Voice Control: Enhance your home automation with voice commands using Alexa, Home. Easily adjust the temperature without lifting a finger Advanced Features: Enjoy features such as adjustable backlight brightness to avoid sleep disturbances, precise temperature control for comfort, temperature calibration, anti-frost function, and output master reversal, easy to install and operate Safety and Group Control: Equipped with a child lock to prevent accidental operation by children. The group control function allows coordinated temperature control across multiple rooms, perfect for a home environment This model is suitable for various countries in Europe and North America, especially for Russian-speaking countries, and the mobile APP adds an additional Russian option Temperature Sensor: Temperature accuracy:1C Display screen: LCD Working environment: -5-50 Self-consumption power: Less than 1W Temperature s etting: 5-60 c Display range: 0-51 Load current: 3A (resistive) Voltage: AC100-240v, 50 or 60Hz Colour: A black Material:ABS Due to different product batches, the appearance , which does not affect the use Package Contents: 1 x Thermostat 2 x Screw 1 x English instruction manual 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.