Very useful light
I recently received the Hat Clip Light and will be ordering several more. Interesting the copy here for the light says it is 10 lumens, but the one I received is 15 lumens. The manufacturer's website indicates the light will "run" for two hours (118 mins) on the two CR-2016 batteries supplied. This light supplies enough light to safely walk in the dark, but is best as an excellent source of light when needed for close work or to read fine print etc. Off-brand CR-2016 batteries are about 10 for about 5 bucks and Duracell or Energizer for about twice that. You will like this light on your hat brim.
Reviewed by: John from North Carolina.