Recommended, depending on tank load,from 60 to 300 liters (15 to 79 USgal.) of sea water. Immersion depth: approx. 225 to 245 mm (8.9" - 9.7") Skimmer cup volume: 0.2 liters (.05 USgal.) Air capacity: approx. 200 l/h (52.8 USgal./h) Energy consumption: approx. 5 W (max. 10 W) Power supply unit: 100-240V / 50-60Hz Cable length: 3 m (118.1") up to the Turbelle® controller Dimensions (L x W x H): 110 x 90 x 305 mm (4.3" x 3.5" x 12") Magnet Holder up to a glass thickness of 12 mm (½"). Instructions for use 1: Deutsch, English, Francais (x9004.8888)