The HiKOKI NR1890DCAJPZ Framing Nailer is supplied with: 2 x 18V 5.0Ah Li-ion Batteries 1 x Charger 1 x Stackable Case The HiKOKI NR1890DCAW9Z Framing Nailer has a brushless motor for longer run time, less maintenance and increased durability. No air hose or compressor required. The air/spring drive system means less recoil, better flush driving and easier maintenance. A selective activation button; easily choose between sequential or bump fire mode. Its high stable driving power allows the nailer to drive nails up to 90mm into lumber with ease. The dry fire lockout system prevents nailer from driving when fasteners are low. A lock switch and 30 minute automatic shutdown for increased safety and longer battery life. Other features include: tool free adjustment of drive dep.