The AP-800 Aquaprobe Package, AP-800-O-PACKAGE, contains: GPS Aquameter Display; Aquaprobe AP-800 Probe, supplied with Optical Dissolved Oxygen, Conductivity, pH, ORP, TDS, SSG, Resistivity, Salinity, Optical Turbidity and Temperature sensors; a 3m tough Cable with Connectors at both ends; Calibration Solutions; and various accessories all supplied in a Rugged Carry Case...