The days of the struggle and shoulder pain of pull-starts are over. The LawnMaster NO-PULL™ line features patented electric push button start technology combined with the power and reliability of a 31cc 2-cycle gas engine. Powered by a small 7.2V rechargeable lithium ion battery, NO-PULL™ technology provides up to 150 hassle-free starts on a single charge. In addition to the innovative electric start, the LawnMaster NPTBL31AB NO-PULL™ backpack blower features a 31cc c-cycle full crank engine that produces powerful 175 MPH air speeds and a max air volume of 470 CFM. The backpack frame deisgn features adjustable shoulder straps, vented and cushioned back panel, and adjustable hip belt all with the push-button On/Off switch at your fingertips. This backpack blower also offers variable speed control and a locking cruise control feature for extended use. The blower weighs a balanced 18.5 lbs and offers a 3 Year Limited Tool Warranty and 2 Year Limited Battery and Charger Warranty.