Brand new and high quality <br>Small size<br>Easy to install&nbsp; <br><br>Accuracy: 1%<br>Refresh speed: 200MS per time <br>Display mode: 3 digits digital tube<br>Measuring range: 3.3-30V <br>Working current: less than 20mA<br>Display color: blue<br>Size: about 35*14*10 mm <br><br>Note: Please connect the red wire to the postive pole and the black wire to the negative pole. <br>1 x Mini voltmeter<br /><img src="http://img6.eachbuyer.com/x1/p76/ia57_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x1/p76/ia57_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x1/p76/ia57_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x1/p76/ia56_1.jpg" />