High sensitivity: 1mA, High frequency: 1.5MHz. All calculations are accurate to multiple of 10. No calculation errors. Maximum measuring current: +/- 40A DC / 80A peak. Maximum sensitivity: ≧1mA. Bandwidth: DC to 1.5 MHz. Rising Time: 0.23 μS. Overload indicator. Range selectors: 1V/A, 0.1V/A. Power switching (priority circuit) and battery available. Robust design for high durability.