Water resistant. Impact resistant. Fits GLOCK 43Xmos/48mos; 43Xrail/48rail subcompact handguns. Three modes of operation: White light (1 hour runtime); White light/red laser (1 hour runtime); Red laser only (11 hour runtime). 100 lumens. 89m beam distance. Ambidextrous operation. Windage and elevation screws mounted in bushings. Contoured housing securely attaches to trigger guard. Batteries are replaceable with unit mounted on handgun with no re-sight necessary. Serialized. Requires (2) CR1/3N batteries (not included). Boxed with hanging tab.