40V Technology Mulches Up To 16 Bags Of Leaves Into 1. Over 30 Minutes Of Runtime With The Included 40V 4Ah Battery. 2-In-1 Vacuum And Mulcher For Quick Yard Cleanup. Variable Speed Dial For Adjustable Airflow And Greater Control, Durable Metal Impeller And Heavy-Duty Collection Bag. Part Of The RYOBI™ 40V System – Any 40V Battery Works With Any 40V Product. 5-Year Manufacturer'S Tool Warranty; 3-Year Manufacturer'S Battery Warranty, Includes RY40405 40V Leaf Vacuum, OP40404 40V 4Ah Battery, OP404 Charger, Wheels, Bag, and Operator's Manuals