High/Medium/Low air volume settings. Uses 18V Li-ion battery as a power unit; both 1.5Ah battery BL1815 and 3.0Ah battery BL1830 can be used. Variable speed trigger 3 x air volume settings (High/med/low) Increased air volume Compact and lightweight for single handed operation Soft grip provides increased comfort on the job Battery protection circuit protects against overloading, over-discharging and over-heating Vacuum function Includes 1 x Makita BL1830 18v 5.0Ah Battery 1 x Makita DC18SD 18v Charger.