Completely submersible motor. Safe & quiet operation. Suction cups to fit any aquariums. Suitable for fresh and marine water. Model : AT-107S Voltage : 220-240V Frequenct : 50-60Hz Working Current : 0.38A Working Watt : 85w Flow Max : 5000 liters/hr. Hight Max : 5.0m. Place for installation : internal & external use