Feature 1Refrigeration effect depends on the size of the cooling space, ambient temperature, heat insulation, seal ability ,etc 2Suitable for semiconductor refrigeration learning theory, research solutions developed cooling equipment planning 3Application: water cooling, research on cooling equipment 4Suitable for cooling water in 15L 5Stable work and low noise, no refrigerant required Feature: Refrigeration effect depends on the size of the cooling space, ambient temperature, heat insulation, seal ability ,etc. Suitable for semiconductor refrigeration learning theory, research solutions developed cooling equipment planning. Application: water cooling, research on cooling equipment. Suitable for cooling water in 15L. Stable work and low noise, no refrigerant required. Specifications: Voltage: DC12V Power: 144 w Product size: 98 * 60 * 46MM/3.86*2.36*1.81inch Power plug:US plug(110v-220v) Type(Optional): single cooler, cooler kit(Cooler,pump,water cooling, power supply,water pipe) connect method:as the following Package Included: 1 x single cooler or 1 set x cooler kit (Cooler+pump+water cooling +power supply+water pipe) Note:It can't be used as a room for air conditioning