ITEM NAME:DC 0-100V 10A Digital Voltmeter Ammeter Dual Display Voltage Detector Curre L4Q7 DC 0-100V 10A Digital Voltmeter Ammeter Dual Display Voltage Detector Curre L4Q7 DIY Supplies:Electrical Dimensions:0.56 inch Display Type:Digital Only Power Supply:DC Model Number:100V 10A Operating Temperature:-10+-65 Accuracy Class:high Measuring Range:please check instruction Working voltage of Meter itself:DC 4-30V(The maximum input voltage can not exceed 30V.Otherwise the meter will be burned) Working current of Meter itself:less than equal 20mA Voltage Measuring range:DC 0-100V Current Measuring range:DC 0-10A Voltage resolution(V):0.1V Current resolution(A):0.01A Measure accuracy:1%( ±1 digit) Display:0.28 inch digital tube,Two color blue and red Refresh rate:about 300mS/times Dimensions:48 mm * 29 mm * 22 mm Operation Temp:-10 °-+65 ° Colour:Black Material:ABS Package Contents: 1* DC 100V 10A Voltmeter&Ammeter Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.