Radio Remote Control German U-Boat Mini RC Submarine III R/C RTR 3 motors installed to control the Static Diving, Propeller & Rudder system respectively. Static Diving System, enable the submarine to float & dive up to 0.6 meters depth Micro Size rudder System, enable submarine to rotate 360 degree clockwise or Only 145mm long! with Front LED Light Requires: 6 x AA Batteries