A handy light up keyring on a sturdy carabiner fastening means that you’ve always got light to hand when you need it. With a steady glow mode & a flashing mode, this small light has many practical uses such as to find keyholes in the dark, a reading light, or a warning beacon to alert others to your presence. Fantastic for outdoor pursuits or just to have for emergencies. Weather resistant Push button switch Glow & flash modes Requires 2 lithium CR2016 batteries (included) Battery run time: glow mode: 20 hours flash mode: 25 hours Length: 9cm Comes with 6 carabiner attachments