1.Cools to 20?C to 25?C. (Below ambient temperature). 2.Warms to 65?C by set-point thermostat. 3.Hot/Cold,On/Off switchs. 4.Red/Green LED indicates warming or cooling. 5.Power consumption 48 watts. 6.Convenient-plugs into any 12V cigarrette lighter in car,boat or plug into safe AC adapter indoors. 7.Optional: DC power cord for car use and AC power adapter for home use.