1. Material: plastic, electronic components 2. Size: about 14x3.8x3.8 cm 3. Weight: about 150 grams 4. Function: forward, backward, turn left, turn right, rotate in place, light 5. Battery: 3.7V/100MA lithium battery for the hull, 4 AA batteries in the remote control (you need to bring your own) 6. Remote control distance: 15 meters, 2.4G wireless remote control 7. Charging time: about 25 minutes 8. Use time: about 12 minutes 9. Packing list: boat x1, remote control x1, manual x1 10. Features: anti-leakage and anti-leakage, slender bow design, streamlined hull, allowing the hull to reduce water flow resistance during sailing, double propeller device, remote control operation, simple and convenient, durable