BRUSHED MOTOR - The wound wire coils in the engine of this RC car act as a 2-pole electromagnet for high-powered speeds of up to 31 MPH. Powered by lithium rechargeable batteries for 40 mins. GO OFF-ROAD - Whether you're steering on sand, concrete, or going rogue, this waterproof remote control monster truck is built to withstand rugged surfaces with expert grip, operation, and durability. Brand new and sealed