Complicated as it gets!

The small lamp fits comfortably in your hand, the luminous efficiency is satisfactory for a diver. That was already the positive characteristics. The lamp has three lighting levels that are, like it or not, one after the other turns, very troublesome for the diver !! It is not possible once the brightest level and off. After switching off and on again to get the less bright stage, then the Blinklich before again only gets the brightest light after re turning. This leads to the devaluation and is unacceptable to the diver. The enclosed holder can be applied easily to the midsection, a peeling is possible but only after removal of the two sealing rings. In vain one looks at the hardware store for a suitable screw, until my car dealer could helten me, is a very uncommon 7mm screw that you can apply though, the attached rubber washer but no longer fits then. The thread is too short!
Due to the aforementioned and unacceptable for a diver shortcomings, the lamp receives only true star.