The Goat Sheep Cow Milk Machine by Dansha Farms™ "Off Grid Pro" is a 1/2 gallon, 2 teat milking machine designed for off-grid use. It operates on electric power with a 12 volt model, making it suitable for rural and remote farming operations. Will also work with our optional 12 volt battery. Made in the United States, this machine is specifically crafted for livestock farmers to efficiently and conveniently milk their goats, sheep, or cows. With its brand reputation and quality construction, farmers can trust in the performance and durability of this milk machine for their business needs.