Introduction Speed (km/h) 30-40 km/h Hull size (MM) 450*200*85(MM) Hull Material Fiberglass Hull weight (G) 460 G Power Brushless 2040KV2604 motor, with water cooling,30A ESC with BEC Prop. Prop.metal 104 Drive System Collect 2.3*3.18,Flexible axleφ3.18,Drive shaftφ3.17,Drive dogφ3.18 Battery Recommendation:11.1V LIPO(Additional Choice) Remote Control 2CH-3CH radio(Additional Choice)