Dewalt Dcn890 18V 2x5.0AH Concrete Nailer18V Brushless motor for improved power and run-timePowered by 18V XR 5.0Ah Li-ion battery for extended run time (480 shots per charge in steel and 580 in concrete)DEWALT proprietary pins (13mm ?57 mm) gives a complete solution3-Speed control (13,000, 14,000 and 15,000 RPM) enables fastening of different materials, saves timeRemoval foot gives more stability and reduces slippingBattery indicator provides warning information for ease of useSingle or rapid mode selector for faster work completionNarrow nose for easy accessQuick release for nose piece for ease and speedStall indicator for easy diagnosticsStall release, tool free for ease and speed