Laser type: gem Q-switch with DKDP and KTP ND: YAG Laser beauty machine Wavelength: 1064nm & 532nm Width of pulse: 6ns Facular diameter: 1-6mm variable Energy density: 450mj Pulse rate: up to 5Hz Net weight: 7.3kg Dimension: 40x22x22cm Electrical requiprement: 110V/60Hz, or 220V/50Hz With 1 professional handle, could be taken apart from the body, easy to carry. The whole plastic case can avoid the static electricity and the interference.