Frequency accuracy: The accuracy of each range is about 2%; Signal load capacity: the output current can be around 5~30mA Automatic data storage: All parameters are automatically saved after setting and will not be lost when power is turned off. Output amplitude: PWM auxiliary value is equal to supply voltage; Temperature : -20~+70℃ Working voltage: 3.3~30V; Frequency range: 1Hz~150KHz Other features----With LCD display to display frequency and working values; with housing; PWM output, frequency and working can be set independently by buttons; The frequency value is automatically in 4 levels with high accuracy., Weight: 0.08157103694 Pounds, Manufacturer: Faeymth