ATMAN .Extreamely Quite Operation,Adopt Wear proof ceramic ShaftWhich can Be Used In Longer Time Easy to set up and maintain Suction cups to fit any aquarium Ceramic shaft ensuring longer life span Suitable for both fresh water and marine water Voltage (V) 220 - 240V 50Hz Power (Watt) 25W Pump Output Max. Output 1300L/H Max. Height 1.2m Measurement Pump Size (cm) 10 cm (L) x 6 cm (W) x 8 cm (H) Pump Size (inch) 4&q(L) x 2.25" (W) x 3" (H) Cord Length Cord Length (cm) 134.6 cm Cord Length (inch)