Voltage detection from 90 to 1000 VAC, suitable for a wide range of residential, commercial and industrial needs|Using special low power circuitry to sustain battery life and ensure your 2 AC is always ready|Innovative battery check button function ensures battery is in good condition|Category IV to 1000 VAC overvoltage rated product for best in class user protection|Integrated clip design, optimized for pocket storage|Fluke ruggedness and reliability