<B>Product specifications:</B> <BR>Product model: 85959 <BR>Impact frequency: 0-3200bpm <BR>No-load speed: 0-2300bpm <BR>Maximum torque: 400N.m <BR>Machine voltage: 20V <BR>Battery capacity: 2.0Ah <BR>Charging time: 1 hours <BR><BR>Product Feature: <BR>suitable for daily installation, and replacement in scaffolding and cars, can be installed and removed nut and bolt.