Nominal Battery Voltage:18 V Voltage LXT:√ Brushless Motor:√ Plastic Carrying Case:√ Sound Pressure Level (LpA):77 dB(A) Noise Uncertainty (K Factor):3 dB(A) Vibration Level (3 axes):≤ 2,5 m/s² Vibration Uncertainty (K Factor):1,5 m/s² Tool weight with battery (EPTA):10,5 kg Product Dimensions (L x W x H)::417 x 127 x 315 mm Bore (B):6-20 mm Battery Chemistry (Ni-Cd / Ni-MH / Li-ion):Li-ion Automatic punch return: After a punching cycle is completed, hydraulic pressure automatically pulls off the punch from work piece and returns it to the initial position to enable efficient continuous hole punching Type of hole: Round hole / long hole Battery protection system automatically shuts off power when the battery level is low.