7 Heating Zones and 3 Heating Levelsheated jacket has 6 carbon fiber heating elements generate heat across core body areas (left & right chest, mid-back, left & right shoulder, mid-neck ) with 3 heating levels (Red light high=140-149F/ 60 -65 C; white light medium = 122-131F/ 50-55 C; blue light low =113-112F/ 45 -50 C),Don't include battery Polyester Machine Wash Long Sleeve Waterproof & Windproof &SafetyThe mens heated jacket is made of polyester fabric, wrinkle-resistant and wear-resistant, comfortable and smooth to the touch, waterproof coating on the outside;with built-in thermal protection module. Once it is overheat, it would stop until the heat return to the standard temperature. Multifunctional Heated JacketThe warmsmart heated jacket can not only provide you with warmth, but also help you promote the blood circulation,relief pain of muscles. Besides, this Windproof heated jacket for men is a nice choice for fishing ,motorcycling, mountain climbing, hunting and so on.