The Kamoer F1 is a single-channel intelligent liquid dosing pump with BOTH WiFi and Bluetooth control capabilities. This unit allows for precise automation of adding liquid additives and elements to your aquarium. Features include quiet operation, adjustable dosing volume, Kamoer Remote App for both iOS and Android, battery backup feature, long-life tubing, and the ability to daisy-chain multiple F1 units together, with dosing frequencies up to 24 times per day.