Backlight color:White / Blue / Green Size:42x22x5 mm Wire Length:30cm / 11.8 Rating Input Voltage:DC12V Suitable battery type:12V Lead-Acid battery SLA,AGM,GEL,VRLA battery Usage:Build-in MCU chip, accurate measure battery capacity Display mode:Battery capacity sign and percentage Specific:Reverse polarity protection Viewing screen:5 segments LED indicator, 10% capacity resolution Package:1 x Digital LCD Battery Capacity Tester Show More