Here we provide you with this Jtron 03100411M Mini 0-100V 50A Digital Volt / Ampere Meter with Red + Blue Dual LED Displays Black. Featuring large LCD display， this digital meter is easy to read the number. With meticulous craftsmanship and advanced technique， it is reliable and stable in use. Besides， for creative design， this digital meter could simultaneously display voltage and electric current. With high accuracy， this digital meter could effectively and fast measure the voltage and electric current， which is helpful for protecting your appliances and longing equipment life. This wonderful digital meter is suitable use for home， office， industrial， mining enterprises， etc.                                    Features             High quality and durable in use<br> Stable and reliable performance<br> Advanced design， high accuracy<br> Easy to install and use<br> Dual display， simultaneously display voltage and electric current<br>                                                            Specifications            Brand    Jtron    <br>Model    03100411    <br>Color    Black    <br>Material    Plastic    <br>Operating Voltage    DC 4.5 ~ 30V    <br>Measure Voltage    DC 0 ~ 100V    <br>Minimum Resolution (V)    0.1V    <br>Measure Current    50A    <br>Minimum Resolution (A)    0.01A    <br>Operating Current    !#!lt!*!20mA    <br>Display    0.28 "LED 3-digital tube    <br>Display Color    Red and Blue    <br>Refresh Rate    About 500mS / times    <br>Measure Accuracy    1% (+ / - 1 digit)    <br>Operating Temperature    -10C ~ 65C    <br>Operating Humidity    10% ~ 80% (non-condensing)    <br>Working Pressure    80 ~ 106 kPa    <br>                                                            Package Includes            1 x Digital Volt Ampere Meter<br>