Multi-Purpose and Multi-Function Beacons Light 

E/T Lights are the newest, most versatile and toughest illuminated marking devices. It was designed to replace the Chem lights also know as the glow stick. Each E/T light Combines four colors into one illuminated signaling device, E/T Lights are great for many different sporting activities. Combat proven in Iraq and Afghanistan, E/T Lights are tough and reliable. Lasting up to 6 days on a constant selection or up to 12 days on a flashing selection, you can always count on having night’s worth of illumination/marking capabilities. If used sporadically, the included replaceable battery can last over 4 years. Stop throwing your hard earned money away a dollar at a time by constantly having to buy chemical light sticks.