This electric fish tank cleaner is simple and easy to use. It can effectively and quickly complete the daily water changing work of the fish tank, which would save you a lot of time to clean the tank. Compared with manual sand scrubber, you don’t need to do the cleaning job with your hands, which is so convenient and practical! Features: Three functions combined in one: water change, sand washing and decontamination. Dual power supply mode: can install battery (not included) and use by power adapter directly. Freely adjust different length: 56cm/67cm/82cm, suitable for shallow and deep aquarium. Can clean gravel, siphon fish droppings and other dirt effectively. Ideal for complete aquarium cleaning or quick spot maintenance. Features: Plug Type: EU Plug / US Plug (Optional) Material: Plastic Power supply: 2 * 1.5V C-type alkaline battery (NOT included); AC power adapter AC input: AC110240V 50/60Hz Output: DC 3V, 2A Soft Hose Length: 70cm / 27.56in Package size: 33.511.55.5cm Package