1Has high accuracy, measurement range is DC 0-1.00A. 2Adjustable current and resistance, turn clockwise to reduce current and it can work directly with 0.99A. 3The product has good stability and strong anti-interference ability. 43 digits LED display the measurement, high brightness and easy to read the current at a glance. 5It is suitable for precision measurement and is widely used in measuring and displaying current parameters of teaching instruments, stabilized voltage power supply, welding machines and mechanical and electrical equipment.