The Makita DUB185Z 18V LTX Blower / Vacuum has 3 air volume settings: Low, Medium, High The Makita DUB185Z is a Body Only Blower powered by an 18V Li-ion LXT slide-type battery (Not included). The machine has 3 air volume settings; low, medium and high, with a variable speed which is fine-tuned by the trigger. This can deliver up to 18,000 rpm, 98 metres per second maximum air velocity. The DUB185 can be changed to a vacuum with 5.8 kPa maximum sealed suction for a faster clean up. It becomes a vacuum by attaching the blower nozzle on the side and using a dust bag (not supplied). Sold without a battery or charger in a cardboard box. Features: Ergonomic soft grip Increased air volume Compact and lightweight design Variable speed control by trigger 3 air volume settings: Low, Medium, High Vacuum function - can be used as a vacuum with a dust bag (not included) Equipped with Battery protection circuit: designed to protect the battery from damages due to overdischarge, high temperature or