The 40V HP WHISPER SERIES Backpack Blower delivers awesome power without the noise! Delivering 730 CFM and 165 MPH this blower can move wet or dry leaves and tackle the toughest debris. At only 59 dBs this blower is 85% quieter than a gas blower! Giving you all the power without the noise. With a variable speed trigger, cruise control option, turbo button, and speed tip attachment you have ultimate control to meet your needs. Featuring two active battery ports, you can use both of the included 6 Ah batteries for continuous runtime in order to get larger jobs done. The contoured molding and adjustable straps provide comfort and support to you while in use. This kit is equipped with (2) 40V 6.0 Ah batteries and the included Rapid Charger, charges each battery in under 60 minutes with 4X faster charging. The batteries are compatible with the RYOBI 40V system. The 40V HP WHISPER SERIES Backpack Blower is backed by a 5-year tool warranty.