Variable speed controlled by trigger and cruise control When used with BL4080H (not included), delivers a blowing force comparable to a 65cc class engine Backpack Blower The Blower runs on one battery at a time and automatically switches to the second battery when the first battery has no charge 2 speeds; mode 1 reduced power for longer runtime and mode 2 for powerful blowing at maximum blowing force Push button cruise control designed to hold the selected blowing force Warning lamp for battery capacity, high temperature and overload Narrow diameter nozzle designed to deliver high air velocity, ideal for clearing wet fallen leaves Telescopic nozzle for stepless length adjustment over a range of 250mm Shoulder straps to help reduce shoulder strain and optional waist belt (not included) to further reduce arm and shoulder load The nozzle can be secured to the harness with a one touch buckle for compact storage The grip position can be adjusted to suit the user’s body size and working posture; 180mm front to rear, 90° to the left and right End nozzle can be changed according to the application; end nozzle (71mm diameter) for higher air velocity, end nozzle 81 (with 81mm diameter end nozzle) for higher air volume (not included) and flat nozzle suitable for wide area blowing