Multi 3620 IDS SET C: Professional, digital multi-parameter measuring device for mobile measurement, with two universal measuring channels, radio-ready, color graphic display, data logger and USB interfaces. Multi-Set in carrying case with IDS sensors: SenTix® 940 digital pH sensor, TetraCon® 925 digital conductivity cell, QSC kit, quick reference guide, tripod, cup, CD-ROM, driver software for USB, batteries, cables, power supply, reinforcement SM Pro,