With the Laser Optics Demonstrator, demonstrate both ray optics and selected wave phenomena in a lighted room. Device consists of a base unit with a built-in He-Ne laser, deflection system and ray optics board and an accessory case.
Your students will be fascinated by this pen-sized laser. A wide variety of physical science demonstrations can be conducted with this inexpensive laser or it may simply be used in lectures. The laser beam projects a brilliant red dot which can be seen easily in either a well lit or darkened room. Arrives in a handy storage case with directions. Powered by two AAA batteries, which are included. Specifications: Wavelength is 645 nm, power output is less than 5 mW, and range is 2000 ft (600 m) in darkness.