Permanent Light in the Dark
● Super pint-sized: Can place it in bags， purses or pockets， wear it on necks
● TC4 Titanium protective shell， lightweight and scratch-resistance
● 25-year useful lifetime， no batteries needed
● 100m waterproof rating， protects from strong water splash
● Multiple layer protections ensure users' safety
● With keyring and beads chain， convenient to carry around