Features: 1. SEL/ZERO: For switching among measuring functions and set the value of DCcurrent display to zero. 2. H/ : For holding the reading or backlight activation. Press button for holding the reading. Backlight activation, when press button and hold for 2s. 3. VAlert: VAlert activation,when press and hold button. 4. Small size, easy to hold in hands and easy to test electricity. 5. Back clip design make it more portable, hang on your belt or pocket. Specifications: Composite index Accuracy: ± of reading number of words Relative humidity: not more than 75 Work height: maximum 2000m Maximum display value: 6000 digits. Polar indication: automatically indicate. Over range Indication: ‘0L' Sampling time: about 3 times/s Working temperature: 0degree40degree Storage temperature: -10degree50degree Notice: The actual item may have logo, pls understand. If you wanna know, pls contact us. Otherwise, pls do not bid. Package List: 1 x Digital Clamp Meter 4 x Probes 1 x Manual 1 x Carrying Case