RGB LED Flashlight, Set/3 Red, Blue & Green, 3 Pack

The United Scientific® RGB LED Flashlight, Set/3 Red, Blue & Green by United Scientific is a set of three LED flashlights for optics teaching. Overlapping the red (625–740 nm), green (492–577 nm) and blue beams demonstrates additive color mixing. Color-coded on/off buttons match each light, and each flashlight runs on one included AA battery. Used in middle and high school physical science and physics optics units.