The Thermo-Shaker Dry Bath is a microprocessor controlled device that has a temperature range,shaking speed range,The LCD display's design allows it to show the parameters.It has functions including temperature calibration, buzzer signal, auto stop shaking after program completion, and protection against overheating alarms. Temperature Setting Range-0°C to 100°C; Temperature Range-RT +5°C to 100°C; Temperature Accuracy-≤ ± 0.3°C;Shaking Speed Range-200 to 1800 rpm for more visit labtron.us