This is the Ultimate Racing 1/8 off-road starter box. The Ultimate Racing Starter Box is a lightweight and compact professional starter box designed for 1/8 off-road cars. Its adjustable pins allow this box to be compatible with most 1/8 off-road cars. The CNC machined aluminum casing and top plate feature a high-quality black coating for added durability. This starter box is equipped with two powerful air-cooled electric motors, making it one of the most powerful and durable options on the market. The box is designed to accommodate two standard 7.2V Ni-Mh or 7.4V LiPo batteries. It features a safety switch, an external connection for battery charging or charger connection, as well as the wiring required for both types of batteries. The Ultimate Racing Starter Box comes fully assembled and ready to use, with an integrated ergonomic handle for easy transport.