+ Very long Lufzeit the battery even at -10 ° C 6-48h depending on the light level (is not self-evident)
+ Bright, absolutely sufficient for the road
+ FR approvals
+ Quality workmanship
-The Holder (but functioning) is simply not comparable to sigma
-Have Paid for a power supply unit 30
-USB Charging time is quite high
Totaly outweigh eindutig the positive things (brightness and burn time are indeed the most important) so 5 stars for this top product :)
Strong buy recommendation