Dear Sir Madam, Type:Boat & Ship Power:Battery Material:Plastic Radio Control Style:RC Model version:Brushless ARTR Color:yellow Material:Plastic Length:810MM Hull wM Weight:1500g Motor:Brushelss 1800KV Water cooled ESC:Brushless Water-cooled ESC 60A Servo:40g waterproof Product name:high speed Brushless ARTR large scale rc boats