I generally find myself happy with any Petzl product I use and this efficient, highly functional headlamp is no exception. When shopping for headlamps I found that the TIKKA PLUS 2 has one of the longest battery life-expectancies while being light-weight and still boasting 70 lumens which is plenty for most situations. I have used this headlamp at night, in the rain, for several hours on many different occasions without a worry about it getting wet or running out of juice.