Brushless motor provides better performance, a longer lifespan, and less maintenance than brushed alternatives Highly compact design measures in at 5 inches long for easy access to hard-to-reach screws Up to 10% more torque and 17% shorter than comparable impact driver (WEN model 20135) 2.0 amp-hour lithium-ion battery with onboard LED charge gauge delivers consistent power at any charge level, and is compatible with the entire WEN 20V Max Cordless Power Tool series Includes a 1/4-inch quick-release keyless chuck, an LED work light, a belt hook, a wrist strap, a battery charger, and a two-year warranty