Battery capacity warning lamp. Adjustable loop handle can be adjusted according to user's height and working posture. Adjustable cutting head 5-position pivoting head enables user to adjust cutting angle, allowing for trimming in tight places such as under the bench, etc. Telescopic pipe shaft adjustable in length from 1,150mm to 1,330mm. Bump and Feed cord feeding system, single-cord cutting. Nylon cord can be fed from the spool by bumping the bump feed button against the ground. Spool assembly is easy to attach remove and easy-to-rewind and equipped with metal bump feed button for wear resistance.