Features include:
One piece lens that focuses and projects up to 90% of light in a uniformly circular beam
Aircraft aluminum body with military grade, Type III anodized finish and sure-grip texture
Compression sealed for water resistance 12(17) emitters bulbs 25,000 hour bulb life Operate 22 hours w/3 AA batteries with normal using Works w/ most common fluorescent dyes Instant On . No heat.