SUPCO 4 Channel Temperature Data Logger has text display for real time temperatures, logging summary, sample rate, memory used, and memory remaining. Features: • Graph Display shows trends in measurements, with a scrolling feature • Three AA batteries (included) • Data exportable to text or Excel® files • 30 character user ID field • Password protected, user selectable single point offset calibration available through software • Visual Over and Under alarm indicators • USB connection (cable included) • Memory rollover, or stop on memory full