USB USB Power Meter 4~30V 0~5.1A Voltage USB S Color Display

body { font-size: 100%; color: #000; font-family: Open Sans,Arial,Heetica,sans-senif,SimSun,"宋体"; line-height: 1.3; } dl { margin: 0px; width: 480px; float: left; } dt { width: 100px; height: 15px; float: left; } dd { width: 240px; height: 15px; float: left; } dl dt { margin: 0px; line-height: 22px; color: #474747; font-size: 14px; font-family: tahoma; } #product-desc { width: 100%; height: 209px; } #descrtion { width: 100%; height: 50%; } #details { width: 100%; height: 50%; } .ui-box-title { height: 30px; font-size: 15px; font-family: tahoma; font-weight: bold; background-color: #ddd; text-anchor: inherit; padding-top: 8px; margin: 0px; } .ui-box-body { margin: 0px; } #tbspecifics { border-right: 1px solid black; border-bottom: 1px solid black; } #tbspecifics tr { height: 30px; } #tbspecifics td { width: 100px; border-left: 1px solid black; border-top: 1px solid black; } he on to view the stored charging data in groups 1-9.Pre and hold the on for 3 seconds to clear the charging data stored in a single group.Quickly double-he on to change the display page.Pre and hold the on for a time and then plug in, enter the voltage calibration as shown in the display: (5526V→), double-he on again quickly as shown (5528V), and he on to increase the displayed voltage. Quickly double-he on again, such as display (5528V), he on to lower the display voltage.Quickly double-he on again to display (5526→), and then he on to display Current Calibration! The system automatically performs current calibration. Ar the calibration is completed, it will automatically return to the main function page and can be d normally.Voltage: 4-30vCurrent: 0-6.5AmA: 0-999999 mAmWh: 0-999999MWHTime: 0-99 hoursPower: 0-200wCharging resistance: 0-999.9 sGrouping: 1-9 groupsInternal temperature: 0-80 degreessize:65x26x13mmMaterial:abs+metalcolour:BlackPackage Contents:1 x USB Power MeterOnly the above package content, other products are not included.Note: Light shooting and different displays may ca the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.