SMAKN® LCD Digital Volt Voltage Panel Meter Voltmeter 7.0v-20v<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Measuring range: 7.5V- 20V</li><li>No need external power supply</li><li>Installing size: 76 x 39</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51ZQu-qLX2L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51ncxM17oJL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41A2M4ZEWDL.jpg" noproxy>