Recommended for hard surfaces, the Black & Decker 20V Lithium Sweeper quickly clears debris from a variety of surfaces, including patios, decks and more. Weighing a mere 1.68kg (3.7lbs), this lightweight sweeper is easy to handle without the fumes and mess of gasoline. Features Air speed: up to 193kph Powerful 20V MAX* lithium ion battery holds a charge up to 18 months Decibel: less than 66dBA Weight: 1.68kg (3.7lbs)