This battery voltage meter is equipped with microprocessor control and clearly LCD display. With high quality and durable performance， a good choice for you.<br /><img alt="" src="//www.guphotos.com/images/uploads/RM6669-1.jpg" /><br />Features:<br />Easy to use and install.<br />Accurate microprocessor control and clearly LCD display.<br />Reverse polarity protection.<br />Optional LED flash alarm to prevent battery discharged.<br />With low voltage alarm， which protect your battery.<br /><br />Specifications:<br />Item name: Battery Voltage Meter<br />Working voltage: DC 3.0-27.0V<br />Low voltage alarm: 2.0-4.0V<br />Voltage display resolution: 1mV<br />Voltage detection precision: +/-10mV<br />Static current: &lt;10mAh<br />Static power: &lt;0.01W<br />Support battery: 1-6S lipo battery<br />Item dimension: 65 * 28 * 13mm<br />Item weight: 13g<br /><br />Package Information:<br />Package size: 7.5 * 3.5 * 1.1cm / 2.9 * 1.4 * 0.4in<br />Package weight: 16g / 0.6oz<br />Poly bag package<br /><br />Package List:<br />1 * Battery Voltage Meter<br><img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/R/9/RM6669/RM6669-1-df55-GSiO.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/R/9/RM6669/RM6669-1-df55-H7Zp.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/R/9/RM6669/RM6669-1-df55-YncH.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/R/9/RM6669/RM6669-1-df55-URdp.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/R/9/RM6669/RM6669-1-df55-grmA.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/R/9/RM6669/RM6669-1-df55-xkoe.jpg" /><br>$$<img src="//img.tomtop.com/product/xy/2000/2000/p/gu1/R/9/RM6669/RM6669-1-df55-HXbY.jpg" /><br>