Suitable for stony coral aquariums up to approx. 20 liters (5.5 USgal.), soft coral aquariums to approx. 40 liters (11 USgal.). Equipped with 15 white LEDs (6.500 K) and 15 blue LEDs (455 nm). Can be used in the air and under water. Color temperature: approx. 25,000 K Perceived brightness: 410 lm Photosynthetically Active Radiation Flux (PAR): 3 W Photosynthetic photon flux: 12.0 µmol / s Power consumption: 10 W Power supply: 100-240V/50-60Hz Including Magnet Holder for a glass thickness up to 10 mm (3/8). Dimensions without holder (l x w x h): 305 x 25 x 13 mm (12 x 1 x 0.5 in.) Cable length: 1.5 m (59) This lamp is intended exclusively for illuminating aquariums and contains built-in LED bulbs. The bulbs in the lamp can not be replaced.