These devices must be used in conjunction with a heat sink to avoid burned
Item: TEC1-12707 Thermoelectric Cooler Semiconductor Heat sink Cooling Peltier 12 Purpose Built: Get ice cold in minutes or heat to boiling by simply reversing the polarity, used for numerous applications from CPU coolers to alternate power sources, or even for your own custom car drink warmer/cooler. Since they consist primarily of semiconductor material sandwiched between ceramic plates and have no moving parts Key Feature: Model: TEC1-12707 Size: Approx. 40mm x 40mm x 3.6mm Voltage: 12V Umax (V): 15V Cooling power: Qcmax 65-82W Imax (A): 7A Tmax(Qc=0): up to 65°C Operates Temperature: -30°C to 83°C Max power consumption: 82 Watts Power Cord: 15cm Note: These devices must be used in conjunction with a heat sink to avoid burned Each device is full inspected and tested Package Included: 10 x TEC1-12707 Thermoelectric Cooler Ship within 1-2 days by USPS. Most items take 7-12 working days arrive.