The equipped high capacity 12V CE/FCC certified battery can heat the heating elements up to 140°F within a few seconds. 16 HEAT ZONES: The Heating Jacket is equipped with 16 carbon fiber heat zones to heat the entire core of your body and keep it warm, and 4 more heat zones near the front pockets to keep your hands warm at the same time. You can adjust the 3 heating modes (red, blue and green) with a short press on the power button. Intelligent Led Display.3 Heating levels (high, medium, and low settings). Change the heat setting of your jacket with a simple press of a button . Dual control buttons give you more flexibility in choosing heating zones. Ideal gift for families, friends, suits all kinds of situations especially for snowmobile, motorcycle, Mountaineering, Climbing, Hiking or Outdoor working, skiing, Fishing, Hunting against cold chilly winter.