Digital Dual Display AC 500V/50A Voltmeter Ammeter Head LED AC Current Meter Ammeter Ammeter M89BOOTDTYDescription: Features:Display: 0.39 inch digital tube LED display, the voltage is red and the power is green. A high-precision potentiometer can calibrate voltage and current errors by itself. Measurement Accuracy: 1% ± 2 DigitsThe split transformer head has a back cover, making it safer, more convenient and more reliable to use. The panel meter can directly connect two wires to the voltage under test to measure the voltage and frequency without power supplied. Specifications:Measurement accuracy: 1% ± 2 digits. Display: 0.39 inch digital tube LED display, voltage_red, current_green. Measurement speed: approx. 2 times per second. Dimensions: Approx. 70x40x42mm / 2.8x1.6x1.65 inches Operating Temperature: -10 - +50° c. Operating Humidity: 10 - 80% (non-condensing) Operating Pressure: 80 - 106 kPa. Sunlight: No direct exposure. Voltage Range: AC 60 - 500V.Current Range: AC 0 - 50A.Note:Please allow 1-2cm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included:1 x LED Voltmeter