Premium red and green laser pointer. Green laser range is 6000 ft at 532nm wavelength. Red laser range is 1500 ft at 650nm. Perfect for small and large meeting rooms. FDA Class IIIA Compliant. Size is 5/8in x 6 1/8in. 2 AAA batteries
Green Diffraction Laser, optional accessory for the Diffraction Apparatus, Operating at 532 nm, it allows students to see and measure how diffraction patterns depend on light wavelength
Economical laser pointer, are useful for many optical experiments, Lasers operate on a push-button switch, are housed in a rubberized aluminum pen-style case, and include a pocket clip. Also includes a proprietary clip that is designed to hold laser button during experiments