High Voltage Indicator, Alert Type Digital Display, Auto Ranging Yes, Compatible Hot Stick Not Applicable, Display Screen Type LED, Display Type Digital, Features Auto-Shutoff and Low Battery Indication Features, Versatile for Overhead and Underground Applications, Voltage Readout Distinguishes Between Nominal and Induced Voltages, Frequency Rating 60 Hz, Includes HP-DVI-2 2 in Overhead Hook Probe, Maximum AC Voltage Measured 99 kV, Maximum DC Voltage Measured Not Applicable