One of those little items which could work for you in different ways depending on your needs.
It's small, light and can be clipped to any important items you may be inclined to lose at night, such as keys, bags, tent (!). Always useful to be able to see it from a distance in the dark.
• Photo-luminescent marker • Cable-ring attachment Dims: 14 x 6 x 50 mm | Weight: 6 g • 5 minute charge - glows for 12hrs • Rechargeable for up to 10 years
Available in three colours, Orange, Blue and Green.