Product Features LED battery indicator available in 48V volt DC acid battery . 10 segment LED Bar Graph display,Resolution: 10% per segment: 3 color LED display,different light displays different battery level visually. LED flash for low charge and high charge warningMemory option to recall last charge level;This battery indicator has a delay time to avoid wrong display about battery level: Once battery was fully charged, Meter will cycle through for continuous 6 minutes then stay “full” position. With the key switch input model it’s use turns ON and OFF the LED display while still monitoring the battery state of charge.Product SpecificationType 48V Battery Indicator MeterSize 53x33x24(mm)Display Screen 10 Segment LED Bar GraphOperate Current 10mAOperate Temperature -30??C- +85??CPin Type +,-,CPackage With BoxN.W. 45gWaterproof Rate IP65Package Included 1 x 48V Battery Indicator Meter