Milk Machine Vacuum-Pulse 1/2 Gallon 2 Teat Goat Sheep Cow 12 Volt With Power Supply Patent US9,635,830 B2 12 Volt DC Motor, Safe on the animal, simple, not like complicated expensive milkers Use Included Power Supply That Plugs into any 120 volt USA or 220 volt Euro Outlet Easy To Clean, fast shipping 5 star customer service 60 Ml Standard and 35 Ml Small Teat Cups Included Easy to Clean