20v, max, lithium-ion, cordless, 1/2" impact wrench with hog ring anvil, tool only, no battery or charger included, up to 330 ft/lb maximum of fastening torque at only 3.48 lb, includes the new precision wrench control feature, which helps add more control when using the tool in forward & reverse, in forward, will pause before impacting to help prevent over tightening, in reverse, tool lowers speed when fastener is loose to help prevent run off, 3 mode settings to complete a variety of applications, dewalt built brushless motor for increased efficiency & runtime versus brushed model, variable speed trigger helps to provide speed control, led light to help illuminate dimly lit areas, compact & lightweight design for comfort when working in tight spaces.