The Triplett Model HVD132 Non-Contact High AC Voltage Detector has two ranges (High 1.5kV to 132kV/Low 50V to 1.5kV) to check and detect live high AC voltage cables up to 132kV or non-contact detection of low AC voltages (>50V) in cables, wall outlets, circuit breakers, and more. A Circuit Test function ensures proper operation before testing live wires. Audible and Visual Alarms increase in frequency and become continuous at the voltage source. The HDV132 is hot stick mountable for high voltage use (hot stick not included). Includes 9V battery and carrying case. 1 year warranty.