Features: Multifunctional Clamp Tester: it has the function of measuring AC/DC voltage, 500A AC current, resistance, continuity beep, etc. Large Jaw Design: 36mm large tension clamp head allow you to measure the single-strand wire without breaking the wire. Conveniently Data Checking: large LCD screen with backlight display, it also has data hold function for you to write down the data unhurriedly. Compact Portable Size: mini body with full function, easy to operate with single hand. ABS Material Shell: with good electrical insulation, durable and anti-drop. Other Features: NCV non-contact induced voltage, flashlight, automatic shut-down, etc. Specifications: Color: Black / Red (Optional ) AC Voltage Range/Resolution/Accuracy: 0~600V / 0~1V / +/- (1.5%+8 ) DC Voltage Range/Resolution/Accuracy: 0~600V / 0~1V / +/- (1.2%+5 ) AC Current Range/Resolution/Accuracy: 0~4A /1mA / +/- (3.5%+8 ), 0~400A / 0.1A / +/- (3.5%+8 ), 0~500A / 01mA / +/- (3.5%+8 ) Resistance Range/Resolution/Accuracy: 0~20M Ohm / 10k Ohm / +/- (1.5%+5 ) On/off Beeping: Yes Data Hold: Yes NCV Detection: Yes Flashlight: Yes Range: Auto range Auto-off: 15 minutes Display Screen: LCD with backlight Max. Display: 4000 counts Power Supply: 2 * 1.5V AAA battery (NOT included ) Jaw Opening Size: 36mm/1.41in Item Size: 185 * 65 * 32mm / 7.28 * 2.56 * 1.26in Item Weight: 150g / 5.29oz Package Weight: 225g / 7.94oz Package Size: 19 * 9.5 * 4cm / 7.48 * 3.74 * 1.57in Packing List: 1 * Clamp Meter 2 * Test Lead 1 * Manual (English )