5.5” overall. Water resistant. Impact resistant. Lanyard. Weight: 4.7oz. White and green LEDs. Modes: Long distance, wide angle (505 lumens, 1.5h runtime); Long distance (325 lumens, 2.5h runtime); Wide angle-high (255 lumens, 3h runtime); Wide angle-low (24 lumens, 24h runtime); Green (23 lumens, 24h runtime). 123m beam distance. Tactical style lock out end cap. Carabiner. Requires (3) AAA batteries (included). Clam packed.