Feature: Refrigeration effectdepends on the size of the cooling space, ambient temperature, heatinsulation, seal ability ,etc. Suitable for semiconductorrefrigeration learning theory, research solutions developed coolingequipment planning.Application: water cooling, research on cooling equipment. Suitable for cooling water in 15L.Stable work and lownoise, 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 .