ITEM NAME:520L/H Electric Siphon Vacuum Cleaner Water Filter Pump Aquarium Fish Tank Tool Description Specification: Brand new Material: ABS Plastic and Electronic Components Length: 570-690mm Normal Water Depth: 400mm Maximum Water Depth: 520mm Flow Rate: 520 L/H Power Requirement: 2 x Battery (C/LR14, not included ) Feature: Adjustable height. Just press the power button, the pump can move to desired place and clear fish excreta and other dirt in the aquarium. Used to clean fish tanks and gravel. Universal for small and large fish tanks. Package included: 1 x Siphon Vacuum Cleaner Note: Please allow a little size errors due to manual measurement. Item color displayed in photos may be showing slightly different on your computer monitor since monitors are not calibrated same..1 x Siphon Vacuum Cleaner. Just press the power button, the pump can move to desired place and clear fish excreta and other dirt in the aquarium. Used to clean fish tanks and gravel. Universal for small and large fish tanks.