1. You can pump water in low water. 2. Strong suction and clean up feces. 3. Effectively separate debris from gravel. 4. It can be used as a water siphon or clear the aquarium when connecting the hose to the exit. 5. Easy to install and use, insert and work. 6. Made of high -quality materials, it is solid and durable. 7. High -safety performance, suitable for the Asaka and Shashui ethnic groups. 8. Connect the shower connector to shower and add oxygen to the fish tank. Plug Type :EU Plug,it applies to Indonesia, Germany, France, , Italy and so on. (When the water level is higher than 10 cm, please start the machine, please do not connect the flat mouth, you can pump the water level to 0.5 cm) Voltage: AC 220V Colour:Photo Color Material:plastic Package Contents: 1 x electric water changer set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.