Feature: 1. ABS Material: The hull is made of environmentally friendly ABS plastic, which is strong and durable. Streamlined design for better water pressure reduction. 2. Large Capacity Battery: 11.1V 2200mAh 45C high capacity high discharge rate lithium battery, battery life is about 5 minutes. Driving speed about 55km/h. 3. Anti Interference: 2.4G 2 channel full scale remote control,quick response, no interference, stable remote control signal, operating distance up to 150 meters. The full scale steering gear is sensitive to steering. It has the function of automatic capsize and recovery. 4. Stable Performance: Using water cooled heat dissipation high speed brushless outer rotor motor and brushless ESC, the power is abundant and the service life is longer, the performance is more stable, and the power is ensured. 5. Alarm Function: The low voltage return function can send an alarm signal to the remote control when the power is low. Cool lights make it easy to play at night. Specification: Item Type: Remote control brushless high speed boat Gross Weight: 1517g / 53.5oz Model: WL916 Material: Plastic, electronic components Frequency: 2.4Ghz 2CH Colour: Black Remote Control Battery: 4pcs 1.5V AA (sold separately) Hull Battery: 11.1V 2200mAh lithium battery (built in) Maximum Speed: 55km/h Use Time: about 5 minutes Charging Time: about 3 hours Remote Control Distance: 150 meters Charging Method: USB charging Motor Type: Brushless Motor Number of Drive Motors: 1pc 2216 brushless external rotation motors Product Size: 480x120x95mm / 18.9x4.7x3.7in Applicable Age: Above 14 years old Function: Full scale forward and backward, left and right steering functions, large and small rudder volume adjustment, left and right steering fine tuning adjustment, capsize, electronic water cooling system, low voltage alarm. Cool lighting.. Package List: 1 x High Speed Boat1 x Remote Control(Battery Not Included)1 x USB Charger1 x Propeller2 x Wrench1 x Hex Socket1 Set x Boat Rack (Total 3 Accessories)1 x Instruction Manual Note: 1. Manual measurement, please allow 1‑3mm error, thank you.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item.3. When the boat stops working/playing or is not used for a long time, the remote control and the fuselage must remove the batteries to prevent leakage damage.4. After each use of the boat, use a dry soft cloth to absorb the moisture in the cabin, and put in a desiccant to ensure that the hull is dry and clean.