Go anywhere with out the hassle of cords, the operator can clean anywhere with a lithium ion powered battery. An ergonomic Deuter[R] branded hiking harness designed to decrease muscle fatigue and maximize operator comfort and mobility. Enhanced safety features, such as added strain relief, 63 dBA noise level and 4-stage filtration with HEPA means you can clean more safely and protect your investment. 55 minute runtime. 2.5 hour recharge. Easily interchangeable battery.