Feature:<br />4 LEDs indicators: red / yellow / yellow / green， indicates power respectively: <br />20%， 50%， 80%， 100%; <br />With a battery testing interface and 2 holes for installation; <br />PCB size: 22.2 x 17.2mm.<br /><br />Packing List<br />1 x Module<br /><img src="http://img6.eachbuyer.com/x9/p100/eb03176_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb03176_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/eb03176_3.jpg" />