Rudder Yaw Correction: When the direction deviates, the deviation from the roadway can be corrected manually, so that the remote control boat can sail freely. Dual Motors: features two motors to provide sufficient power and is equipped with 2 blades to increase the thrust and its powerful to 10km/h. Function: forward, turn left, turn right, manually correct the navigation rudder Streamlined hull design: A stylish streamlined design can effectively reduce navigation resistance, stabilize navigation and increase speed. plastic hull: The hull shell is made of plastic and superb craftsmanship. It has excellent impact resistance, wear resistance and strong scratch resistance, strong and stable. 2.4Ghz remote control frequency: With the 2.4G high frequency remote control system, the remote control boat is suitable for many people to compete with each other without interference. Bottom navigation board: When the direction is offset, you can manually adjust the blades at the bottom of the hull to correct the deviation from the road. Hull battery: 3.7V 650MAH cylindrical lithium battery Remote control battery: 5 # AA * 2 (not included) Charging time: 80-90 minutes Use time: 20 minutes Remote control distance: 40-50 meters colour:black Material:Metal + plastic size:23.8*7.6*7.3CM Package Contents: 1 * Remote control boat 1 * Remote control 1 * battery pack 1 * USB cable 2 * tail rotor 1 * Bracket 1 * Instructions Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.