I wish to strongly impose my opinion on all of you. I have THE WALL OF LIGHT, THE L4. When the L2 started to disappoint me, I contemplated my naval and came up with a solution to the short runtime and long body of the L2. Don's McE2S switch, either with a Z52, a Z57, or an Aleph guarded tailcap, is the greatest thing since bologna on white bread! You get to customize the low level you want, by asking Don to either send you a stock resistor board installed, or have him build you a resistor board with the resistor you wish. I have one for my TW4 combo, and another for my PR-T-DB917/L4 combo. How can anybody go wrong with keeping the wonderful L4 on active duty 24/7? Listen up! Spruce up your E1e and E2e based lights, by getting these switches from Don. Tell him that Luxlover sent you......
PS: I don't get kickbacks from him. I am just being a good samaritan!