•Battery back :20v
•Max Nosie :90dB
•Max Vibration :8m/s2
•No-load speed :0-1000 RPM
•Impact frequency :0-4000 BPM
•Borehole diameter :30 mm (1-3/16')solid bit
•Borehole diameter :75 mm (3')core bit
•Impact energy :4.0 Joules
•Weight :3.2KG
•Volum :0.006 M³
•Battery pack :4.0Ah
•Depth gauage :Yes. steel bar
•Certificate :CE/CB/UL/CSA/CCC
•Packaging :BMC box