This is a semiductor cooling/heater pad that is powered by thermoelectric effect.

Specification:

- Model: TEC1-12706
- Color: White
- Material: Plastic + ceramic
- Rated voltage: DC 12V
- Max voltage: 15V
- Max current: 5.8A (stable current is 4.5A)
- Max power: 65W
- Internal resistance: 2.1~2.5 ohm (ambient temperature 23 +/- 1'C, 1KHz AC test)
- Max. temperature difference: 60'C
- Bearing assembly pressure: 85N/cm2
- Working environment temperature range: -55°C~83°C
- Great for DIY lovers

Dimensions: 1.57 in x 1.57 in x 0.16 in (4.0 cm x 4.0 cm x 0.4 cm)
Weight: 0.85 oz (24 g)