This efficient Peltier Thermoelectric cooler is rated 12V @ 5.8Amp (starting, then about 4.5Amp). Cooling is approximately 58 to 65 watts. This item must have a heat sink (not included) placed on the side that’s blank (no text - hot side) to prevent burn out. Size: 1.57" × 1.57" × 0.15" thick. Brand New!