Dual Green and Red Laser Pointer (Switchable) stem education This work of art and

This work of art and science shows real photos of every stable element painstakingly collected and photographed in high resolution

It includes:

Double convex lens

Photo scale ruler to calibrate length in experimental images

It's low power and extremely safe

Dual Green and Red Laser Pointer (Switchable) stem education This work of art andThe best of both worlds A switchable red and green laser pointer all in one! The 650 nm red and 532 nm green each are rated as Class 3R (Class IIIA), which is <5 mW the brightest you can legally own without special permissions. Our laser pointers are guaranteed to be FDA compliant because we test each batch for conformity to the rated power levels. All of our green laser pointers are fitted with an infrared (IR) filter to catch any hazardous invisible