Water resistant. Strobe. Fits Smith & Wesson M&P M2.0 Subcompact; Beretta PX4 Storm Compact/Subcompact; Springfield Armory XD-E and XD-S; Heckler & Koch HK45 Compact handguns; and 1913 short railed subcompact handguns. Ergonomic rear switch. Ambidextrous operation. Safe off feature. Mounting kit with keys included. Fast, safe, adjustable, secure side mounting. 500 max lumens. 1.5 hour. Max runtime. Requires (1) CR123A battery (included). Aluminum construction. Color: Black. Boxed with hanging tab. May not ship Post Office or International.