High volume pump pushes up to 5.0 oz/min (ounce/minute) high-flow applications. Up to 16 cartridges per charge with 20V MAX battery (4.0 Ah). Features include a variable speed trigger to offer precise control of grease flow, 42" extra-long and flexible hose to reach hard to access grease fittings, and a bright LED (light emitting diode) light for hard to see grease fittings in low light settings. Pump filter screen prevents dirt and contamination from clogging the pump mechanism. Integrated no-mar foot design allows tool to rest on flat surfaces. Air-bleeder valve assists in pump priming after cartridge changes. 8 lb (pound), 9.93" W x 4.81" H x 20.62" D. Shoulder strap included. Bare tool - battery and charger not included.