Brand new and high quality <br />Small size<br />Easy to install <br />Color: black <br />Accuracy: 1%<br />Refresh speed: ≥ 500mS <br />Measuring/ input range: DC 3-30V <br />Working current: less than 60mA<br />Display color: red <br />Size: about 4.7*2.9*1.8 mm <br />Connecting instruction: red wire connects positive, black wire connects negative<br />2 x Mini voltmeter<br /><img src="http://img6.eachbuyer.com/x4/p23/ig09_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x4/p23/ig09_4.jpg" />