* cools to 20-25 centegrate below ambient temperature. * warms to +65 centegrate (cut-off by thermostat). * hot/cold,on/off switch. * red/green leds indicate warming or cooling. * power consumption 48 watts. * non-wearing thermoelectric(peltier system). * adjusted strap and the low weight cooler make carrying easy. * cold & heat are transterred through coated aluminium liner. * heat dissipation to outside by fan with ling life brushless motor(30000 hours) * convenient-lpug into any 12 volt cigarette lighter in car, boat or plug into safe AC adapter indoors. * 9 ft,detachable power cord. * full polyurethane-foam lining sithout CFC. * cap. 7litres/0.6L plastic bottle can stand upright. * operates on DC 12V.