Description Brand: UDIRC Item No: UDI022 Color: Carbon fiber pattern Max speed: 50-60km/h Power System ESC: 100A independent controlled esc Motor: MDW.3554A.1800KV brushless motor Servo: 3 wires 17g high speed servo(1kg torque) Transmitter Frequency: 2.4G Channel: 4CH Remote distance: about 80-150m Battery: 4 X 1.5v AA(not included) Battery for the Boat: 11.1V 2500mAh 60C XT60 plug battery (included) Charging Time: About 180 minutes Using Time: About 8 minutes Boat Weight: 1.38kg (without remote controller) Boat Size: 630170110mm Remote Controller Size: 17797201mm Propeller Diameter: 40mm Box Size: 685240175mm Functions Go forward and backward. Turn left and right. Capsize, over-distance alarm prompt, low-voltage alarm and speed-down prompt,water cooling system, double-layer cabin cover design, 3 lighting modes Package Included: 1X RC Boat 1X Battery 1X Remote Controller 1X Lipo Charger 1X Display Bracket 1X Manual