Features 1、Clean gravel, siphon the fish excrement and other debris by the filter mesh bag, then the clean water will permeate from the bag and flow into tank, also can drain out water through outlet pipe 2、Comes with a water inlet tube and two extension tubes, so user can adjust the height according to fish tank size or the water level 3、The cleaning head with inner mesh reduces suction and prevents water plants or small fish from being sucked up with water 4、Powered by 2pcs 5、Top handle part can be hung on the rim of fish tank, the cleaner helps to free your hands and clean the tank effortlessly Specifications: Description: This aquarium gravel cleaner is designed to deal with small gravel and change water of fish tank. Adjustable tube fits for large and small aquariums. Battery powered cleaner is easy to operate, press the button on the top, the water in the aquarium will automatically be pumped to change water through a hose. It also can remove the dirt, residue from the bottom of aquarium to keep a healthy environment of fish, turtle and other creatures. Features: Wash gravel, siphon the fish excrement and other debris by the filter mesh bag, then the water will permeate from the bag and flow into tank, also can drain out water through outlet pipe. Comes with a water inlet tube and two extension tubes, so user can adjust the height according to fish tank size or the water level. The cleaning head with inner mesh reduces suction and prevents water plants or small fish from being sucked up with water. Powered by 2pcs "C" type batteries, with switch button to control on / off. Top handle part can be hung on the rim of fish tank, the cleaner helps to free your hands and wash the tank effortlessly. The product is equipped with gauze filter bag and water pipe. When filtering, it can be filtered in the fish tank, the dirty things are filtered through the filter bag, and the water returns to the fish tank through the filter bag, or you can choose to use the water pipe to directly lead the water to the In the bucket outside the fish tank. The product uses dry batteries (No. 2 dry battery), which is safe and convenient (without batteries in the product). The top hook can be rotated, which is convenient for rotating the sand washer in the water, which is not a function of ordinary filters. Specifications: Condition: 100% Brand New Material: Plastic Color: as Shown in the Picture Power Supply: 2 x 1.5V C Type Batteries(Not included) Water Outlet Pipe Length: approx. 67cm / 26.38in Water Inlet Tube Length(3pcs): approx. 18cm / 7.09in, 20cm / 7.87in, 40cm /15.75in Total Length: Minimum 58cm / 22.83in, 72cm / 28.35in, Maximum 95cm / 37.40in (Adjustable) Normal Water Level: 30cm Maximum Water Level: 72cm Maximum Flow: 520L/H Weight: approx. 373g Package Included: 1 x Gravel Cleaner Main Body(battery not included) 3 x Water Inlet Tubes 1 x Water Outlet Pipe 1 x Filter Mesh Bag 1 x Cleaning Head 1 x Cleaning Brush Note: 1. Please allow 0-2cm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3. When installing the water suction device, be sure to submerge the machine head and the part of the water outlet in the water, and then start the switch. When the water outlet can discharge the water, the sand washer can be raised and the machine head and the water outlet can be raised. Package List