Laser,Five Beam With Built In Battery with Accessory

Description

Laser Ray Box 5 Beams. Side by diode lasers,1.6cm a part,650
nm wavelength. Will easily demonstrate the following when
used with suitable optics. Light bending by reflection, Focusing
effect, Reflection with mirrors, Fresnel reflection, Monochromatic
character of laser light, Total Internal refection. Rechargeable Li
Battery operated with glass Accessory. SP4-1630