2AC Designed to be pocket-sized and easy to use. The 2AC tests for energised circuits and defective grounds. The tip of the pocket-sized tester will glow red when within close proximity of an outlet, terminal strip, or power cord where voltage is present. Voltage detection from 200 to 1000V AC, suitable for a wide range of residential, commercial and industrial needs. Always on, using special low power circuitry to sustain battery life and ensure your 2AC is always ready. Category IV 1000V over-voltage rated product for best in class user protection. Integrated clip design, optimised for pocket storage. Powered by 2x AAA batteries (included). Two-year warranty.