I do not know the SPECIFIC answer to the question "LIGHT DETAIL". The Sig product info says: "...The FOXTROT2 mounts to any Picatinny 1913, SIG SAUER proprietary, or other rails with no need for adapters or cross-slot modifications. Ambidextrous Activation Paddles to power the ultra-efficient white LED that runs up to one hour on a single CR123 battery..."