Ensure your fish tank water levels are always optimal with aquarium refill system. This device features water level controller that automatically refills your tank as needed. Suitable for both freshwater and saltwater aquariums, this easy to install and use, providing a solution for maintaining your aquarium water Features -Color:White -Material:ABS -Size:7.60X4.20X2.50cm/2.99X1.65X0.98in -Automated water level control: uses advanced technology to automatically detect and adjust water levels, providing a convenient and efficient solution for your aquarium -Stable and healthy environment: ensures precise water level control to create a stable environment for your fish and plants, enhancing their overall health and wellbeing -Time saving solution: reduces the need for frequent manual , allowing you to enjoy your aquarium with less maintenance effort -Versatile compatibility: suitable for use in both saltwater and freshwater aquariums, making it a versatile addition to your aquarium setup -Durable construction: made from Abs abs material, this device is designed for use and reliable performance, ensuring your aquarium remains in Package list: 1 x set of Water Level Controller