Features:Has high accuracy, measurement range is DC 0-1.00A.Adjustable current and resistance, turn clockwise to reduce current and it can work directly with 0.99A.The product has good stability and strong anti-interference ability.3 digits LED display the measurement, high brightness and easy to read the current at a glance.It is suitable for precision measurement and is widely used in measuring and displaying current parameters of teaching instruments, stabilized voltage power supply, welding machines and mechanical and electrical equipment.Specification:Test currentDC0~1ADisplay 3digits LEDWorking current<30mAAmmeter range0-0.99AMeasurement rate200mS/time Max. current output0.99AInstallation opening45.5*25.5mmLED colorRed/Yellow (Optional)Accuracy1%Working pressure80~106kPaMin. working current4VWeightApprox.24g/ 8.5ozMax. working current28VSizeApprox.48*29*22mmWorking temperature- 10 ~ + 65Working humidity10-80% (no condensation)Package List:1 * Digital AmmeterNote:Please allow slight error due to manual measurement. Thanks for your understanding..Please notethat the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.