Product Features Available in 36V 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 warning. Memory 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 36V Battery Indicator MeterSize 53x33x24(mm)Display Screen 10 Segment LED Bar GraphOperate Current 10mAOperate Temperature -30??- +85??Pin Type +,-,CPackage With BoxN.W. 45gWaterproof Rate IP65Range Indication GreenDimensions Cut-offCase Style Front Panel MountPackage Included 1 x 36V Battery Indicator Meter