Laser ModelDiode LaserWavelength808nm or 808+790+940+1060nmFrequency1--10Hz AdjustableEnergy Density1-80JSpot Size500W:10*16mm、1000W:12*20mm、 1200W:12*28mm、1600W:12*36mmScreen Size15.6 inchCoolingSemiconductor refrigeration+water+air cooling constant temperature coolingpackage63x51x62cm, 45.5kg