No air hose or compressor required. Eliminates the cost of fuel cells. Air/spring drive system means less recoil, better flush driving and easier maintenance. Fitted with a selective activation button; easily choose between sequential or bump fire mode. Also features tool-free adjustment of drive depth, a lock switch and 30 minute automatic shutdown for increased safety and longer battery life. The dry fire lockout system prevents nailer from driving when fasteners are low. Other features include a low battery indicator and pivoting rafter hook. Supplied with: 2 x 18V 5.0Ah Li-ion Batteries, 1 x Charger, 1 x Safety Glasses, 1 x Hex Wrench and 1 x Case