jwe831180507 wrote a review of Mammut Lucido TXLite Headlamp on April 10, 2012
This would be a fine headlamp. It's decently bright and very light, but the button switch is terrible.
About a quarter of the times I've pressed it, the rubber has dislodged and shifted into the housing. This breaks the seal, allowing water in. It also makes it hard to press.