Description:It is digital voltage tester signal indicator, high brightness LED display and cylindrical main body.The meter can only use to measure AC electricity.It can be used as signal indication, warning signal, accident signal and other signals in the line of electric power, telecommunication, machine tool, ship, textile,printing and mining machinery. Specification:Item: Indicator VoltmeterAmmeterVoltage: AC 50-500VCurrent: 0-100AMaterial: Electrical componentsPanel size: 29x29mmMounting aperture: 22mmDisplay color: Red, Blue, Green, Yellow, WhiteQuantity: 1 SetNote:1. Please allow 0-2mm error due to manual measurement. pls make sure you do not mind before you bid.2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package included:1 x VoltageCurrent Indicator1 x Current Transformer