Petzl Tikka Rxp Reactive Lighting Headlamp

I have the RXP, it's really good, but then I can only compare with other Petzl's. The reactive lighting works better...

I found one that works very well, a UCO Vapor head lamp. It uses a dial intensity control, from super low to flood...

It's amazing how well it works. I thought I might have to shake or crane my head or there would be a delay, but it...