• Multifunctional electric aquarium vacuum, equipped with a powerful siphon pump to facilitate water changes, remove algae, and efficiently clean gravel. • Includes two telescopic suction tubes of different sizes, adapting to aquariums of various dimensions. • Allows you to adjust the water level between 11 cm and 80 cm for optimal operation. • Cleans aquarium gravel and sand, removing fish waste and dirt without the need to change the water. • Features a reusable mesh filter bag to retain dirt and extend the product's lifespan. • Operates with 2 C-type alkaline batteries (not included), with the battery compartment located at the top for added convenience. • All components are detachable, making storage and quick assembly easy thanks to its threaded design.