Measurement ofDC/AC current. 1. Model No.: ETCR7100D 2. Range : DC: 0.0A~2000A AC: 0.0A~1000A 3. Frequency Response : AC:45Hz~400Hz 4. Peak Hold : Peak value capture and hold function, long pressHOLD key display peak value. 5. Data Storage : 99 groups 6. Power Supply : DC 6V (LR6×4 alkaline dry batteries)