Like my previous reviewers I find switching also very unhappy solved (short screw without latching), I put me a suitable O-ring around the screw, a small household rubber, tuts, I've tried. This wins the whole of stability, and on and off feels safer accidental switch in the pocket will not happen again. Tightness is certainly better. Incorrect is also the product description (technology) on the corporate side:
"[...] The Advanced Focus System allows for seamless transition from homogeneous, circular low beam to focused longdistance light sharply. [...]"