1.Easy to read.<br />2.Dual measurement of AC voltage, AC current with AC current transformer (can't be used to measure the AC power converted from a DC power with an inverter)<br /><br /><br />Specifications:<br />Voltage Measuring Range: AC 80 ~ 300V<br />Current Measuring Range: AC 0 ~ 100A<br />Power Measuring Range: 0 ~ 30000w<br />Electric energy: 0.000-99999kwh<br />Power factor: 1.000-0.000<br />Operating Temperature: -10 ºC ~65 ºC<br />Operating Humidity: 35~85% RH<br />Accuracy: 1％±2 words<br />Speed: 2 times per second<br />Size:79*43*48mm<br /><br />1 x Meter<br />1 x English manual<br />Carton packaging<br /><img src="http://img6.eachbuyer.com/x9/p100/cb725_1.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb725_2.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb725_3.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb725_4.jpg" />                                                        <img src="http://img6.eachbuyer.com/x9/p100/cb725_5.jpg" />