Elucidation: It is marine products with the advantage of enviromental protection which can meet with the various mouning operations,with the functionof 5-speed forward and 2-speed reverse,horizontal and perpendicular mounting. Features 1.Various power option from 34lb to 54lb 2.Battery capacity indicator and speed indicator 3.30° handle fixing 4.180° level adiustable mounting 5.Telescopic handle