Good market with CE,GS marked Specification: 1),Voltage:110/220/230/240V2),Frequency:50/60HZ3),Power Input:620W4),No-load Speed:750r/min5),Rated Impact Rate:2920/min6),Picker size:17mm7),Capacity: Concrete: φ26mm Steel: φ16mm Wood: φ40mm7),Weight:5.2kg