There are two different tailcaps you can get for the RPL, one is simply off/on and the other is a selectable power one, with 8 different options, allowing you to control the output. rpaloalto mentions this in his RPL-450 review.
There are two different tailcaps you can get for the RPL, one is simply off/on and the other is a selectable power one, with 8 different options, allowing you to control the output. rpaloalto mentions this in his RPL-450 review.