High quality - low price - simple to operate | Pocket size | LED readout | Gives the capacitance value on start and run capacitors from .01 to 10,000 MFD | Checks for open and shorted capacitors | Checks run, start and DC Electrolytic capacitors | Includes carry case | Power - 4AA batteries (not included) | 4-1/2"H x 2-5/8"W x 1-3/8"D - Manufacturer: Supco.