4000 : Bryte-Syte Headlights
"Aims a bright, white LED light whenever you need it. Made of a flexible, yet durable polypropylene material and has a strong clip to grip whatever surface you attach it to, including eyewear. Perfect for any application in which a little sight assistance is needed. This is a stand-alone, wireless unit providing 20+ hours of use and 17 lumens of low-power light with each new battery. Includes a 3-volt CR2032 lithium coin battery. This unit also has optional filters available (purchased separately). "