The TLR-7 Sub weapon light is designed specifically for attachment on select subcompact handguns. Includes an ambidextrous rear switch for activation and a strobe function. A safe-off feature prevents accidental activation of the light. This item is IPX7 waterproof rated to 1m for 30 minutes. This model fits select 1913 short-railed subcompact handguns, including the M&P 2.0 subcompact, Beretta PX4 Storm Compact/Subcompacts, Springfield XD-E, Sprinfield XD-S, and the H&K HK 45.