1Application: Fish tank cooling, computer water cooling, circulating water cooling, cooling equipment, etc 2Application: Fish tank cooling, computer water cooling, circulating water cooling, cooling equipment, etc 3Use to Connect the pump and the power supply 4Diy kits Thermoelectric Peltier refrigeration cooling system 5Simple operation, strong practicability Features:Semiconductor coolers are a form of solid state cooling that incorporates both semiconductor technologies and electronic assembly techniques.Application: Fish tank cooling, computer water cooling, circulating water cooling, cooling equipment, etc.Use to Connect the pump and the power supply.Diy kits Thermoelectric Peltier refrigeration cooling system.Fast cooling, outstanding effect.Simple operation, strong practicability.Specifications:Refrigeration piece: Operating voltage: 12vOperating Current: 9 AOperating Power: 108 w A single fan: Operating voltage: 12vOperating Current: 0.2 AOperating Power: 2.4 w Connect way: Connect pump and power supplyApplication: fish tank cooling, computer water cooling, circulating water cooling, cooling equipment, etc.Size: 160 * 100 * 90 mm/6.30 *3.93 * 3.54inchWeight: about 690 gNote: water cold head color random (blue and silver)Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package Included:1x Thermoelectric Peltier Refrigeration