Suitable for small space cooling, semiconductor refrigeration learning , research solutions developed cooling equipment planning.Air cooling device, not used to cool the water, use water to dissipate heat, and eventually the water is hot, not cold.This kit is a finished product that does not need to be assembledStable work and low noise, no refrigerant required.Suitable for 20L space cooling, air temperature can be cooled to 5-8 degrees than normal.Specifications:Maximum power: 288W (15.4v)Maximum current: 24ARated voltage: DC 12VRated current: 17ARefrigeration power: 170WProduct size: 180* 65 * 62mm/7.09*2.56*2.44Package Included:1 x Thermoelectric Cooler(have assembled)This cooler kit included:4 x 40*40mm fan1 x Cooling block1x Water Block3 sets x fixtures1 set x screw(6 pcs screws + fan screws 16pcs), 4 x TEC1-12706Note:That we sell is finished product,don't need to assemble.How to UsePackage ListNote