The ORNO universal electrical tester detects current when checking fuses or testing light sockets. It has a steel, flat tip with a width of 3.5 mm and a neon signaling diode. The transparent housing allows the observation of the control lamp in every position of the handle. The stem is insulated along its entire length. It will be used in craft workshops, households and hobby works. No batteries required. Technical specifications: indication range: 100-250V AC length: 190 mm tip width: 3.5 mm tip type: flat