Features: brand new and Air cooling device : Air cooling device, it is not used to cool the water but for heat dissipation by means of water circulation. Application : DIY electric semiconductor refrigeration radiator machine can be used in small space cooling, pet air conditioner, learning the principle of semiconductor refrigeration and more. Refrigeration effect : Refrigeration effect depends on the size of the cooling space, ambient temperature, heat insulation, sealability, etc. Good feature : Water chiller cooling device with strong resistance to low temperature, durable with long service life. Simple structure and easy to use : Simple structure but good practicability. Specifications: Name:420W 6-Chip Semiconductor -Conditioning DIY Radiator Kit Voltage:12V Electric current:36A Red line: "+" , Black line: "-" Colour: Black Material: ABS + metal Power : 420W Size: approx.16x6.6x9.5cm /6.30x2.60x3.74in Package Includes: 1PC x Cooler note: No retail package. Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!