I don't know the specs but it's a nice little fridge. We use it all the time for refreshments and/or holding food prior to cooking. What you could do is grab a Kill-a-Watt, plug it in and measure the usage.
Mike, Sue, Sissy and Little Man
2015 Ford F350 Lariat FX4 6.7 CC DRW
2015 Eagle Premier 351RSTS