Thermoelectric Peltier Refrigeration Semiconductor Cooling System Cooler Kit We Ship from Chinadelivery takes 15-25 days 100% Brand New and High Quality Semiconductor coolers are a form of solid state cooling that incorporates both semiconductor technologies and electronic assembly techniques. Notes: 12VDC 6A Power is need,but not include in this Kit; Package includes: 1*Cooling System Cooler Kit