YSI ProDSS Cable Assemblies are designed to work with YSI ProDSS multiparameter meter and smart sensors. Neither the meter nor sensors are included. The cable assemblies include 4 universal sensor ports and are available in lengths from 1 to 100 meters. A 1 pound weight is included for cables 10 meters or longer. 10, 20, and 30 meter cables include a cable management kit. A maintenance kit is included and an optional depth sensor is available.