Circuit Tester- 110-460 Volts 4 Way Circuit Tester, Ideal for AC and CD- Multi Voltage Current Tester- Reinforced casing and test leads- By Katzco MULTI USE  Can be used in a variety of applications. Mechanics, electricians, and homeowners alike will find great use with this tester. Test for broken or live wires, fuses and circuits. Reach into light sockets, taillights, faulty sockets, distributors, generators, car batteries, headlights, turn signal circuits, motorcycles, suvs, switches, and power outlets. The possibilities are endless! ERGONOMIC DESIGN  The compact ergonomic design of this tester ensures you have a tight comfortable grip while using. Reinforced casing and test leads provide maximum safety against electrical currents. 4 VOLTAGE SETTINGS- This tester contains 4 voltage settings and a combination of glow lamps to indicate the voltage that is being tested. 110, 220, 277, or 460 volts. USE FOR DC CURRENTS  This tester can also test for DC polarity, frequency, and polyphaser line. EASY TO USE  Katzco 4 way circuit tester is really easy to use as well, making it great for DIY homeowners. Simply use the color coded negative and positive leads to probe into an outlet or circuit and the one of the lights will illuminate according to voltage and ensure that the current is good.