Introduction Speed (km/h) 50-55 km/h Hull size (MM) 675*155*100 (MM) Hull Material Fiberglass Hull weight (G) 990 G Power Brushless2858KV2881 motor, with water cooling,50A ESC with BEC Prop. 35 Prop.metal Drive System Collect 3.18*4,Flexible axleφ4, Drive shaftφ4, Drive dogφ4 Battery Recommendation:11.1VLIPO(Additional Choice) Remote Control 2CH -3CH radio(Additional Choice)