SPECS: 2 inches tall Weight: 0.3 oz. DESIGN & DETAILS: Small and lightweight design Rechargeable, glow in the dark keychain and marker for keys and other outdoor gear Charges within 10 minutes by sunlight or artificial light Glows brightly at first and then fades to a constant glow that lasts up to 10 hours IPX8 waterproof, dust-proof, and weatherproof Can be attached to various gear Glowing light can be seen up to 25 ft. away