Ojäi Laser – Class 4 Diode Laser – Single Wave 15-60-Watts total power,Laser model has a German 70-Watt programable diode Upgradeable via code from 15 to 20, 30, 45 or 60-Watts 0.1 up to 60-Watts Continuous Wave or Pulsed Wave in s, ms, us.Ojäi Laser – Class 4 Diode Laser – Single Wave 15-60-Watts total power,Laser model has a German 70-Watt programable diode Upgradeable via code from 15 to 20, 30, 45 or 60-Watts 0.1 up to 60-Watts Continuous Wave or Pulsed Wave in s, ms, us.