LRI FMY Photon Freedom LED Keychain Micro-Light, Yellow Beam. The Freedom® Micro is the most advanced easy-to-use micro-light from the leader in Micro-Light technology. Made in the United States, Photon Micro-Lights are approximately the size and weight as a US quarter. They feature the brightest LEDs in the world and smart-circuitry. Available in a wide variety of colored LEDs including ultraviolet and infrared. Hands-free clip and quick-release necklace included FREE!