Model VT500 voltage tester offers an easy-to-use method to test for plus or minus ac or dc voltage. Bright LEDs instantly indicate five different voltage levels, from 12 to 400 v. The VT500 also offers GFCI test capability. The fully contained, battery-free tester can be worn around the neck.* Voltage 12 V to 400 V AC/DC * Frequency 0 to 60 Hz * Display 6 LEDs, 12 V, 50 V, 120 V, 230 V, 400 V AC or DC * Auto Power On From approx. 12V AC/DC * Polarity Indication All ranges AC/DC * Indication Automatic recognition * Operating Time ED (DT) – 30 seconds * Relaxation Time 5 minutes * Test Current Approx. 15 mA at 400 V * Peak Current Max. 0.12 A * Internal Load Approx. 2.4 W at 230 V for tripping the RCD * Temperature Range -10 °C to +55 °C * Humidity Max. 80 % * Protection IP 40 * Overvoltage Category CAT III 300 V * Pollution Degree 2 * Power Supply Direct from unit under test * Dimensions 168 x 30 x 30 mm * Weight Approx. 80 g