In addition to its practical funcation, water level controller also helps to reduce water waste. It ensures that your tank remains at the ideal level without overfilling. This not only saves water but also helps to create tidy aquarium setup. Features -Color:White -Material:ABS -Size:10.50X6.70X4.30cm/4.13X2.63X1.69in -Automated water level sensing: the water level controller automatically detects and maintains water levels, nice for aquarium maintenance -Suitable for various aquarium types: water level controller can be used in different types of aquariums, ensuring broad compatibility -No power required: the float ball valve operates without electricity, making it a nice option for aquarium owners -Stable water level maintenance: float valve ensures precise control of water levels, maintaining a stable environment for fish and plants -Userfriendly installation: designed for easy installation, allowing users to quickly and easily set up and adjust the float valve on their own Package list: 1 x set of water level controller