IREENUO Electric Aquarium Gravel Cleaner, Battery Vacuum Cleaner Water Filter Washer Siphon for Fish Tank with 3 Pcs…

3 in 1 Modes Gravel Cleaner: Multifunctional vacuum aquarium cleaning tool siphons water changes, removes algae, and cleans gravel.
Battery Powered to Free Your Hands: The fish tank filter cleaner works with battery. Free adjust the different lengths: 62/73cm, suitable for both medium and large aquarium. Please do not use it continuously for more than 30min to 1h.
Easy to Assemble & Use: Installed vacuum gravel cleaner, please keep the water level between the MAX (60cm) and MIN (20cm), then start switch. The water in aquarium will be pumped out automatically through a hose for changing water.
Aquarium Cleaning Function: Electric aquarium siphon cleaner for gravel cleaning, sand washing, siphon the fish excreta and other dirt out effectively without requiring a water change.
Feature & Accessories: High safety performance, cordless electric working with only 2 size C type alkaline battery (package not included). The blue hose length: 75cm.