Olight i16 Keychain Light Brass LE

2.02" overall. Keychain. Water resistant. Impact resistant. Rechargeable. Modes: High (180 lumens, 23m runtime); Low (5 lumens, 12h runtime). 48m beam distance. TIR optic lens. USB A-C charging. Limited edition. Brass construction. Requires (1) Lithium battery (included). Boxed.