Battery Test, 5-30VDCMade of ABS (UL94V-0), w/o LEDLow: 5-11.7V (12V)/ 16-23.5V (24V)Med: 11.8-12.4V (12V)/ 23.6-24.9V (24V)High: 12.5-15.9V (12V)/ 25-30V (24V)01341-A: w/alligator clip01341-C: w/cigarette lighter plug