The Makita GN900SE First Fix Gas Nailer is a cordless clipped head nailer developed for a wide range of framing applications. It uses fuel gas as the power source to provide freedom from hoses and compressors and is fitted with a LED indication lamp, with battery power warning and trouble detection functions, for convenience of operation and repair. The nailer is depth adjustable for a wide range of applications. Specification Battery Type: 7.2 Volt Li-ion. Gas: 80ml Cartridge/Butane Propane. Magazine Angle: 34°. Nail Length: 50-90mm. Nail Type: Clipped Head. Magazine Capacity: 44. Shots Per Battery Charge: 4000. Shots Per Gas Cell: 1200. Charging Time: 30 min. Weight: 3.5kg. All vibration figures quoted are Tri-axial to EN60745 2006. Noise Sound Pressure: 89 dB(A). Noise Sound Power: 102 dB(A). Noise K Factor: 3 dB(A). Vibration K Factor: 1.5 m/sec². Vibration No Load: 2.5 m/sec².