Housing made of impact- and break-resistant ABS plastic, Optical display, Flashing frequency of the LED test tip and signal tone frequency increasing with the voltage level, Non-contact phase tester/cable break detector, For finding cable breaks and interruptions on insulated and live cables, High sensitivity for 12 V voltage range can be switched on via button, Magnetic field test via green LED test tip (magnet activated), Testing of permanent, direct current and alternating current induced magnetic fields, Integrated test magnet for functional testing, Low self-discharge for increased battery life/readiness for use, CAT IV 600 V, CAT III 1000 V