Recently, also the owner of such a premium flashlight, the first thing it me that they did not look for it. The maximum light output I probably will not often seriously need while out walking around (except perhaps to specify), but she has me quite impressed. In a domestic environment it can easily replace a sea of lights, when irradiated with maximum performance at the white ceiling. The different light intensities differ significantly, and I find them well apart. Underwater I have only once not going to test the lamp, I lay more important that they also withstand moisture and rain, and their first test they passed with flying colors: no discernible moisture has penetrated into the thread. Such quality like this