["brand new and high quality\nFeatures:\nInstalled gravel cleaner,please keep the water level between the MAX and MIN,then strat switch.When the outlet can draw water,raise the gravel cleaner,let the for head and outlet above the water.\nCan clean gravel, siphon the fish excreta and other dirt out effectively without requiring a water change.\nfor Ideal for complete aquarium cleaning or quick spot maintenance \n \nSpecification:\nHigh safety performance，only need 2 size C type alkaline battery(not included）.\nProduct weight: Boxed 295g\nPacking size: 34 * 12 * 6cm\nProduct size: Product length: 57cm maximum length 80cm\nNormal water level 40cm, maximum water level 52cm\nMaximum flow 520 l / h\n\nNote:1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.\n2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!\n\nPackage includes(without retail package):\n1x Aquarium Gravel Cleaning kit"]