A tough microlight that's encased in a polycarbonate housing to resist impact, debris and water. Four light settings include high power, low power, strobe and signal. Bright white LED has an effective range of 50 feet and can be seen up to one mile. Two foldable and flexible gear ties keep the light securely in place when you need it. Plastic S-biner clip for convenient attachment to a pack, bag or keys. Runs 10 hours on high and 22 hours on low. Powered by two lithium batteries (included). Colors: Black and Lime, Lime and Black, Blue and Lime, Red and Black, Pink and Black.