Technical specs:

Laser diode - CW max. 500mW GaAlAs
Optical output - 475mW, CW +/-5%
Visibel red light guide: - LED, 2x4mW, 650nm
Wavelength: - LD 808nm, infrared
Laser class - 3B
Divergence (light dispersion at diode):
    Max.9x45 degrees
Divergence of straight light guide tip:
   Max. 75 degrees in circle

Point of focus with convex lens:
      Approx. 10 mm from lens
Adapter (corded model):
100-240V / 50-60 Hz / 6V DC 2.1A
Adapter (desktop charger):
230V / 50-60 Hz / 3.2 W
Dimensions of laser unit: L: 100mm,   D: 34mm
Dimensions with battery: L: 170mm, D: 34mm

Weight of laser unit - 86 g
Weight with battery - 180 g