DEWALT 12 Volt; 18 Volt or 20 Volt Max Water Resistant Cordless Jobsite Radio ENERGY STAR Lighting It has an upgraded engine Item Weight:14.1 It has an upgraded engine design that increases power and drive quality when compared to other DEWALT cordless nailers The industry's first interchangeable bell blade assemblies easily twist on and off for speedy and effective blending 18V NiCad Li ion and 20V MAX DEWALT power tool batteries making it compatible with DeWalt's largest systems of batteries AC DC power allowing the flexibility to run off AC power cord or DEWALT power tool batteries Device storage box protects digital audio devices from jobsite debris and damage USB power port allows device to be charged via USB when radio is plugged into AC wall outlet Runs off 12V MAX