?Refrigeration temperature range 3 to 8 centigrade degree (generally 15 - 20 centigrade degree less than environment temperature), enjoy cool drink and food in summer at your car. ?Up to 65 centigrade degree heating temperature, also can heat milk and tea in winter. ?Convenient to put in or take out stuffs by opening the top cover. Light weight and come with a strap, can be carried on the shoulder. ?Portable and light weight, shoulder strap length is about 2m, easy to take when go out for fishing and cycling travel. ?6 advantages: Eco-friendly, energy saving, long service life, non-pollution, low noise, semiconductor refrigeration system.