Feature: 1. 45° Angle Suction Port: 45° angle design suction port, built in suction filter can easily suck the fish in the tank and block the sand in the tank. 2. Humanized Design: Aquarium gravel cleaner is equipped with filter, which can effectively block large sands and prevent clogging. 3. Suction Cup Attached to Tank Design: Suction cup is set on the back of the water changer, which can be fixed in the tank without holding it when changing water or draining. 4. Power Start Button: One button power start, which is more convenient for the operation of changing water and washing sand, and there is no need to worry about the motor idling when there is no water. 5. Adjustable Water Level Design: Water level can be adjusted according to the needs. Note that the water inlet cannot be pulled out of the water surface after starting, and there is no need to worry about the 2.5cm/1.0in low water level of the shallow water tank. Specification: Item Type: Aquarium Gravel Cleaner Color: As Pictures Shown Power: 10W Flow Rate: 700l/h High Head: 0.9m/3.0ft Material: Plastic Weight: Approx.631g/22.3oz Product Assembly Size: Approx. 78cm/30.7in Purpose: Cleaning of Fish Tanks and Aquariums. Package List: 1 x Submersible Motor2 x Transparent Hard Tube2 x Suction Head1 x Hose Note: 1.It is strictly forbidden for the motor to work without water, dry running and burning.2.Dear customer, please rest assured to buy without worrying about the plug adaption. We will provide an adapter for you according to different country standard and make sure its normal use.