Gross weight: 28KG Net weight: 25.2KG Remote control distance ≥ 100 meters Full proportional synchronous control system (gun control) Travel time: approximately 15 minutes Charging time: 4 hours Charger: 7.4V=800mAh, available for delivery Remote control battery: 4 * 1.5V AA battery (to be purchased separately) Driving speed: about 20 kilometers per hour on land and 8 kilometers per hour on water Battery parameters: 7.4V 4500mAh high magnification 35C lithium battery Motor: 1 2212 brushless motor, 3 1104 brushless motors Governor: 30A electronic stepless governor, 18A drive electric regulator7.4V 4500mAh 35C high rate lithium battery 2.2KG digital steering servo (waterproof)3CH channel communicationLow voltage sound and light alarm system Gyro stationary systemSimulation ship deck iron guardrail Exhaust capacity: standard 50%, low load 70%, full load 100% 2.4G Three Channel Automatic Frequency Matching Full Proportional Synchronous Remote Control System Draft depth is about 10mmSimulated rubber pad It can be driven on indoor floors, cement ground, smooth sand ground, and shallow water areas (full load speed: 20km/h on land, 8KG/h on water)