The SereneLife Electric Leaf Blower, Cordless Power Blower with Built-in 18V Battery - Versatile & Cordless Leaf Blower - Battery Design - Removable Battery for Convenient Charging - Lightweight, Portable & Powerful - Comfortable Handheld Grip - Simple One-Handed Operation - Detachable Exhaust Blower Nozzle - Rugged & Heavy-Duty Design - Includes Battery Wall r Adapter - Perfect for Lawns, Gardens, Sidewalks, Walkways, Landscapes - Technical Specs: - Construction Material: Engineered ABS - Wind Speed/Blower Power: 55 MPH - Average Time: 4 Hours - Full Battery Operation Time: About 10 Minutes - Battery Type: -ion, 18V - Assembled Dimensions (L x W x H): 35.4'' x 6.3'' x 7.3'' -inches.