The Hygger Cross Flow Wave Pump produces gentle, 360-degree waves, making it ideal for freshwater and reef aquariums up to 265 gallons. Its ocean-like flow eliminates dead spots and promotes healthy circulation within the tank. The device offers multiple settings for customization and can be easily installed or repositioned using its strong magnetic attachment. It is available in three sizes to suit a variety of popular aquarium setups. Key Features and Important Notes The Cross Flow Wave Pump features an LED display with 5 different wave modes users can choose from: pulse, sine, random, constant and cross flow. Choose between different flow rate and frequency levels. Silent operation. Product SpecificationsModel HG070-12W Dimensions: 4.8 x 1.4 x 1.3" Flow Rate: 1321GPH Tank Size: up to 60G Glass Thickness: up to 8mm Input Voltage: AC100-240V 50/60Hz Output Voltage: DC24V Model HG070-18W Dimensions: 8.5 x 2.0 x 1.3" Flow Rate: 1850GPH Tank Size: up to 135G Glass Thickness: up to 10mm Input Voltage: AC100-240V 50/60Hz Output Voltage: DC24V Model HG070-25W Dimensions: 11.1 x 2.4 x 1.3" Flow Rate: 2380GPH Tank Size: up to 265G Glass Thickness: up to 15mm Input Voltage: AC100-240V 50/60Hz Output Voltage: DC24V