Had previously tested cheap and effective Headlights. In the Mammut I compared to the other following advantages: -small "luminous body", so while running is little mass is set in motion -High luminous efficacy, the road ahead is a well illuminated, even in complete darkness at 6 -Since Half a year several times a week in operation and still the first set of batteries -sitzt well on the head and the rubber band can be adjusted without problems to the correct length
The only not so good is that the power button is a bit small and therefore when wearing thick gloves rather difficult to operate ...
