EZ Smart Gutter Cleaner Patented design glides along all types of gutters and roof configurations Powered by a long-lasting, rechargeable 18v lithium-ion battery Adjustable front air nozzle allows user to control air flow directional output Patented design glides along all types of gutters and roof configurations. Powered by a long-lasting, rechargeable 18V Lithium-Ion battery that delivers a 120 MPH jet of air. Adjustable front air nozzle allows user to control air flow directional output. Includes a long flexible nozzle, perfect for clearing downspouts and hard-to-reach spots.