This small key-ring size LED has a continuous light for10 hours if required, or signalling ability to over a mile. It comes complete with a battery, which can be replaced when necessary.
• Waterproof and robust
• Weight: 5.5gm (0.25oz)
• Size: 4 x 2.5 x 0.6cm (1.5” x 1” x 0.25”)
Comes in Blue, or White.