Note: 1.Please allow 1-3mm errors due to manual measurement. 2.Due to the difference between different monitors,there are color differences,pls take the real product as the standard Features: 1. 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 2. These devices must be used in conjunction with a heat sink to avoid burned 3. Each device is full inspected and tested 4. Fitted with 6-inch insulated leads 5. Adopt TEC1-12705 semiconductor chilling plate, good quality for use Specifications: Model: TEC1-12705 Size: 40mm x 40mm x 3.8mm Operates from 0~15.4V DC and 0~5A Rated Voltage: 12V Rated Current: 5A Operates Temperature: -40C to 90C Maximum Cooling Power: 54.7 W (Th=50C), 49.28 W (Th=27C) Maximum Temperature Difference: 75 Cel (Th=50C), 68 Cel (Th=27C) Original box: NO Color: White Package: 1 x TEC1-12705 Heatsink Thermoelectric Cooler Cooling Peltier Plate Module Package List 1Get 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 ma 2These devices must be used in conjunction with a heat sink to avoid burned 3Each device is full inspected and tested 4Fitted with 6-inch insulated leads 5Adopt TEC1-12705 semiconductor chilling plate, good quality for use