The ST1530E features a 38cm large cutting swathe with bump head line feed and easy line replacement. Its ergonomic design means it is built with ease-of-use in mind, . The quick-adjust handle offers optimum balance and control, while the soft-start function and constant speed control ensures consistent trimming every time. Cutting width 38 cm Run time 5.0AH: 40 minutes  Variable speed  Soft start Line diameter: 2.4 mm Rapid reload bump feed head  Brushless motor  All EGO Power+ products come with a domestic user 5 year warranty on tools and 3 year warranty on batteries.