AQQA Aquarium Rechargeable Gravel Cleaner Kit,Energy Saving Powerful Fish Tank Siphon Vacuum Cleaner,Portable Automatic Water Changer,Adjustable Flow Rate Wash Sand 15W 420GPH

【Aquarium Gravel Vacuum Works Two Ways By Plug In Or Rechargeable Use】Innovative patented design water changer,3 power supply modes can be selected, increasing the convenience of daily use：①It is used by plugged in ②After fully charged, disconnect the adapter and use it, and it can be moved freely without being restricted by the length of the cord and place.③Use while charging，while using, the battery will store electricity at the same time.Please fully charge before use. 【Powerful Electric Water Changer,Use of the Site and Water Pressure are Unrestricted】Compared with the traditional siphon water changer, the new electric water changer can be used whether it is pumping water from high to low or from low to high, and it is not limited by water pressure.The water at the bottom of the fish tank can be pumped clean, there is no minimum water level. Free Your Hands,The motor controller with a clip ,can be adjustable according to the thickness of the fish tank. 【3 Grades Adjustable Flow R