Features:Trinuclear Thermoelectric Peltier Refrigeration Air Cooling System great for small space cooling.No noise and vibration no refrigerant required.Simple operation and strong practicability.Easy to operate and adjust.Equipped with cool fan for better heat dissipation.Mainly used for coolingsmall space that is under 0.025cubic meter such aspet bed laptop etc.Specifications:Material: MetalPower: 180W (Max)Refrigeration power: 126WMaximum current: 15AStable current: 11AItem size: 300*120*100mmItem weight: 1146gPackage size: 35*15*13cm/13.77*5.9*5.11inPackage weight: 1200gNote:1. Semiconductor coolers are a form of solid state cooling that incorporates both semiconductor technologies and electronic assembly techniques.2. When used in a 22 degree environment the cold end does not open the fan or does not circulate and the cold end can be frosted after 10-20 minutes of starting.3. The DC power is not included please prepare it by yourself.Packing list:1* Thermoelectric Refrigeration