Schmidt E6 was made with a secondary headlight, On or bypass, and a Primary on or Off, they were wired in series ..

overnight Rando rides like P-B-P, you turned the secondary on for the downhills..

New EdeluxII is brighter than My eDelux 1, & the newer B&M Eyc T is 10 " closer to the ground over my 16" wheel's forkCrown.