Specification Power Supply 2x 1 5 V alkaline AA batteriesTemperature Setting Range 5 95°CTemperature Difference 0 5 10°C Factory setting 1°C Ambient Temperature 5 50°CTemperature Setting Accuracy 0 5°CProtection Level IP20Shell Material Anti Flammable PCFeatures 1 ZigBee3 0 Smart Thermostat Sensitive buttons with a 1 8 inch LCD screen classic design suitable for all home styles 2 Battery Powered No need for a separate AC power supply easy to install 3 Precise Temperature Control Temperature hysteresis of 0 5 10°C and temperature calibration of 9 9 9 9°C 4 APP Remote Control Supports 2 4G WiFi enabling Smart Life Tuya APP control from anywhere even when not at home 5 Voice Control Easily controlled via Amazon Alexa Google Home and Yandex Alices with simple voice commands 6 Multiple Modes and Weekly Programmable Manual Auto and Temporary modes with personalized heating schedules for 5 2 6 1 7 days a week 7 Anti Freeze Function Automatically turns on the thermostat when the temperature drops below 5°C and turns off above 7°C to prevent pipe freezing 8 Child Lock and Memory Function Prevents incorrect temperature changes and restores data automatically post power failure Package Includes 1 x Thermostat2 x Screws1 x Instruction Manual