Feature 1FIREWIRE IDENTIFICATION: The buzzer will sound an alarm when a firewire is detected, and the support switch buzzer will beep. 2WITH LIGHT: Digital multimeter comes with a bright LED flashlight, which can help you illuminate and use when measuring in dark environment. 3MEASUREMENT OBJECTS: Smart digital multimeter can measure a wide range of electronic values such as capacitance, true RMS, diodes, temperature, frequency and resistance to meet your versatile needs. 4MULTI FUNCTION: Digital multimeter tester supports manual selection, data hold, NCV and high and low sensitivity switching, battery power indicator, switch test and firewire function. 5APPLICATION: Digital multimeter voltmeter can be widely used in electrical testing, automotive repair, more home improvement, industrial electrical maintenance and other fields.Item Type: Digital MultimeterMaterial: ABSProduct Size: Approx. 16.2x4.8x2.8cm / 6.4x1.9x1.1inGross Weight: 270g/9.5ozPower Supply: USBVoltage: 0600VBattery: 1000mAh, Lithium Battery (Shipped with Built in Battery)True Root Mean Square Value: 40400HzResistance: 010Ambient Temperature: 060CMaximum Count: 6000 TimesMeasurement Mode: Automatic and Manual .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x DigitalMultimeter2 x TestPen1 x InstructionManual1 x ClothBag1 x USBCableNoteAll data are measured manually, and there are certain errors in the measurement results.