System Tester, Digital, ResistanceMfr. Model # 12-1015System Tester, Digital, 0 Load Ranges, 9 to 15V Voltage Range, Works With 12V Batteries, 100 to 1100 Cold Cranking Amps, Metal Probe, High Resolution, 100 Cold Cranking Amps Accuracy, Digital Display, Construction Plastic, Height (In.) 4-1/2, Width (In.) 15, Depth (In.) 11, Includes Instructions,