... from USA2,high articulation optical fiber3.three working modes:full power,gradually strong,flashing.4,optional working time:10sec, ... 20sec,30sec,40sec5,automatic inactive ,automatic power off.6,low battery alert7,super capacity battery.8. ... unit2.10 seconds working time3.Three working modes:Full,Ramping,Pulse Power inputAC24V 50/60HzNet weight135gLight output850-1000m W/cm2Dimensions26mm ...