The Hydros Float Switch Sensor is a versatile water level monitoring device designed for both freshwater and saltwater aquariums. It connects to the Hydros Control system via a Sense Port, allowing users to trigger various actions based on water levels such as automatic top-offs or alarms for reservoir levels. This sensor features a magnetic mount that simplifies installation by attaching directly to tank walls without drilling holes. With its IP65 rating and GX12 aviation-style connector, it ensures durability and reliable performance in aquatic environments.