High Voltage Detector Alert Type Light Sound Auto Ranging Not Applicable Detector Type Personal Voltage Detector Display Screen Type No Display Display Type No Display Features Fast Results that are Easy-to-Interpret Ruggedized for Any Work Environment Safely Detect and Monitor Electrical Fields For Use On HV Electrical Systems Public Safety Storm Restoration Telecom Utility Frequency Rating 50 to 60 Hz Includes Textured Hand Grip Input Impedance Not Applicable