The Outdoor Magic Spit Motor AC/DC (OM2017-1B) is a battery-operated spit motor designed for use with a spit shaft that has an 8mm square hole. This particular motor is rated for up to 4kg, making it suitable for smaller to medium-sized rotisserie setups. It is powered by 2 "D" size batteries (not included), providing a convenient and portable solution for your outdoor cooking needs.