This is the electric powered, 2.4GHz radio controlled, ready to run Rio EP Offshore Superboat from AquaCraft.FEATURES: Construction: Durable lightweight ABS plastic, white in color decals applied Radio: AquaCraft Tactic 2.4GHz pistol grip system with SLT-Secure Link Technology, servo reversing and steering rate functions and mini steering servo Radio Box: Pretaped, waterproof to protect servo and receiver Drive System: Surface Drive with 1/8" flex cable and prop shaft Trim Plates: Aluminum, can be fine tuned for maximum performance Motor: 550 water cooled Rudder: Constructed of aluminum, dual break-away design protec transom Warranty: Ninety day limited through manufacturerINCLUDES: Rio EP Offshore Superboat, 550 motor, 2.4GHz radio system, molded plastic boat stand and instruction manual REQUIRES: AA Batteries: 4 for transmitter Battery: 6-cell NiCd/NiMH stick or 7-cell NiCd/NiMH hump battery packIMPORTANT: When using a 7-cell (8.4V) battery pack with over 2000mAh capacity, allow the electronics to cool down for at least 10 minutes between runs. This will avoid stressing the electronic speed control (ESC) to the point that it could fail. Charger: For selected battery type SPECS: Hull Length: 25.5" (647mm) Overall Length: 28.3" (720mm) Beam: 6.25" (159mm) Weight: 26.4oz (750g) Height: 5" (125mm)