Package Includes 2 Pieces - Cooler Peltier ----------------------------------------- Thermoelectric Cooling Module Eco-friendly, no refrigerating fluid is used Compact size and light-weight Noiseless, reliable and maintenance-friendly Cooling or heating by changing current direction Model: TEC1-04902 Max. Current: 7A Max. Temperature Difference: 67 deg C Max. Voltage: 3.7V Max. Refrigerating Power: 9.68W Couples: 31 Size (L x W): Approx. 0.8 x 0.8 inch / 20 x 20 mm Cable Length: Approx.11 inch / 28 cm Color: White