BLF A6 / Bike mode lumen output?

Hello everyone. I was wondering if anyone knows what the lumen output on the bicycle mode is on the BLF A6? Seems really bright to me and don’t want to create issues for drivers. I haven’t used it on the bike yet and will only use it sparingly if I ride at night (which is rare). I have looked into bike lights but they’re large and heavy. I will run it with the short tube so it will be super compact.

Thanks!