Depends on your needs and how long those corridors are. Throw will be similar but XPL-HI a bit brighter and run cooler (read: slightly longer turbo before stepdown).
D4S is my favourite form factor for balance between EDC and POWER. Feels great in the hand.
intl-outdoor is the official store for Emisar and Noctigon. Hank Wang is the owner. Official thread here.
Stainless steel bezel is as it sounds. It’s an easy swap, screw off aluminium bezel, screw on SS bezel.
SS bezel:
Normal bezel:
