Quick and Easy Cleanup Process Just put it under the water and it will gently suck the water along with the debris. It then passes through a fine mesh that traps the debris, while the water is returned to the tank. Electric Powered This is a type of electric aquarium vacuum,allows you use cable to hook the cleaner up with power to use. [No Buckets, No Spill, No Noise]Easy to install and simple operation, no bucket required, the dirty water in the fish tank is drawn out under the pressure of tap water, After the drain is completed, just switch the valve to add water. [Gravel Cleaning] The cleaning tube has a built-in filter. When draining, gently agitate the gravel to remove the debris. It will not make noise and the fish will not be . [Quick Water Change]Only two valves and a long hose are needed to quickly complete the water change of the fish tank, and use the pressure of tap water to drain water. This semi-automatic water changer is suitable for medium and large fish tanks. Features: 1.Electric Powered This is a type of electric aquarium vacuum,allows you use cable to hook the cleaner up with power to use. 2.Quick and Easy Cleanup Process Just put it under the water and it will gently suck the water along with the debris. It then passes through a fine mesh that traps the debris, while the water is returned to the tank. 3.Removeable and Cleaneable Mesh Cartriage Just snap out the mesh and clean off the mess, and then put the mesh back in for use next time. 4.available in Low water level ,Strong power,Adjustable length Input:220V Output:DC 12V Power:6W Max Flow:350L/h Max Height:0.7m Power cable:1M Colour:As Shown Material:plastic Package Contents: 1*Electric powered fish tank Siphon cleaner 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.