The AP-6000 Aquaprobe Package, AP-6000-PACKAGE, contains: GPS Aquameter Display; Aquaprobe AP-6000 Probe, supplied with Optical Dissolved Oxygen, Conductivity, pH, ORP, TDS, SSG, Resistivity, Salinity, Water Depth and Temperature sensors; a 3m tough Cable with Connectors at both ends; Calibration Solutions; and various accessories all supplied in a Rugged Carry Case...