1.[Smart WIFI Thermostat]: Control your home's temperature from anywhere with the Smart Life or Tuya app. Compatible with gas boilers, this touch-button thermostat features remote access and voice control for ultimate convenience. 2.[Battery-Powered Efficiency]: Easily install this thermostat without a separate AC power source. Powered by three 1.5V batteries (not included), it ensures low-power, long-lasting performance. 3.[Customizable Programming]: Choose from three modes - Manual, Program, or Temporary. Set up to 6 time periods on weekdays, 2 time periods on weekends, and 5and2 or 6and1 or 7 day options for personalized comfort throughout the week. 4.[Precise Temperature Control]: Experience optimal comfort with adjustable temperature hysteresis (0.5-10°C), a minimum temperature setting of 0.5°C, and a range of 15-95°C. Calibrate the room temperature display from -9.9°C to 9.9°C to ensure accuracy. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store