Smart Connectivity: Control your heating remotely with the Tuya WiFi Smart Thermostat. This device is compatible with the Smart Life/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:士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, 50/60Hz Colour: A black Material:ABS Due to different product batches, the appearance , which does not affect the use Package Contents: 1 * Thermostat 2 * Screw 1 * 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.