The Black & Decker BV3100 Electric Blower/Vacuum/Mulcher simplifies yard clean up. Its heavy duty vacuuming and mulching capabilities allow you to mulch 10 bags of leaves into just 1 bag. Choose the right power for each yard task with 2 speeds that can go up to 210 MPH blow speed. The blower mode is ideal for clearing debris from lawns, driveways, sidewalks and decks. The vacuum mode is ideal for cleaning leaves, clippings, twigs, and pine cones.