Fully licensed scale version of the 2006 High-points Champion Hydro Pro Boat™ .18 marine engine and tuned exhaust add over 20% more power Sullivan Tiger Drive starting system and handheld starter Composite propeller for increased speed and durability Prepainted fiberglass composite hydro hull for scale appearance and superior high-speed handling Pro Boat™ 2-channel AM 27MHz pistol-grip radio installed Pro Boat's Formula RTR hydro is a fully licensed 1/12-scale version of the championship-winning Formula Boats full-scale hydro. The Formula RTR hydro boasts a lightweight fiberglass hull specially made for high-speed handling. Ultimate speed is the result of the Pro Boat .18 marine engine that adds over 20% more horsepower and updated composite propeller. For added convenience and control, the Formula comes with an easy-to-operate Pro Boat 2-channel AM radio system and Sullivan Tiger Drive starting system. You will need... PRB0100 Marine Grease DYN1925 Ni-Cd Glow Driver DYN2320 Blue Thunder 20% 12 "AA" Batteries Length: 26 in (660mm) Beam: 8.3 in (210mm) Engine Size: Pro Boat .18 Marine Engine with tuned pipe (installed) Radio: Pro Boat 2-channel 27MHz AM Hull Material: Fiberglass Composite Hull Type: Hydroplane Kit/RTR: RTR