This Milwaukee 2746-80 M18 FUEL 18 Gauge Brad Nailer operates on an 18V Lithium-Ion battery power source. It can handle a nail gauge of 18 and a maximum fastener size of 18. The nailer comes equipped with one battery, but no battery is included in this listing. The item measures 11.9 inches in length, 10.2 inches in height, and 3.3 inches in width, weighing 5.35 pounds. It belongs to the categories of Nail & Staple Guns, Power Tools, Tools & Workshop Equipment, and Home & Garden. The model number for this tool is 2746-80 and it is branded as Milwaukee.