As Daylight lamp the Treble Light D1c 4,0 shows, what floats in such a way everything in the water. Depending upon transparency of the dipping area it recommends, different reflectors sits down. Medium and spots penetrate far into the depth and produce the feeling to see more than with a comparably strong halogen bulb. Also over water the Treble Light D1c 4,0 may be used. If a too strong heating up should be at hand here, the lamp is switched off by an integrated safety mechanism.
