This 6L Cooler&Warmer is perfect for homes and offices as well as kindergartens, offices, dormitories or cars. It operates at a noise level of approximately 27 dB and does not affect work and rest. It can be placed at the bedside or on a desk. Cleaning the inside and outside is easy, just wipe them and the internal storage rack can be removed. Product specifications: Type: semiconductor car refrigerator Volume: 6L (4 bottles of 550ml mineral water) Material: ABS plastic Power: 40-50W Refrigeration temperature: cooling is about 16 degrees below room temperature Heating temperature: can be heated to about 60 degrees (not affected by ambient temperature) External dimensions: 25*19*31cm (9.84*7.48*12.2 inches) Cold and hot principle: semiconductor chip Noise: 27dB (the sound of the host computer) Car power cord length: 1.9m Household power cord length: 1.6m Car input voltage: DC12V Household input voltage: 110V/220V