The LEDs light up at level 2 glaring as the high beam auto headlights. That works when fully charged, however, no 1 / 2h, then the lamp will return to level 1, with the one but also quite good comes through the night. The usual vulnerability battery lasts when the lamp surprisingly been more than 1 year by (actually 4 AA batteries in the housing screwed). Riding under the rain and snow cold did not have problems. Speaking of winter with thick gloves you will find the button above not immediately (switch level 1/2 bit fiddly). The lamp's pretty hard crash of handlebar height on tiled floor it has nevertheless survived. After a long summer break, the charge indicator played temporarily insane, the batteries are still charged - after that everything was OK.
