HonsCreat USB Digital Power Meter Tester Multimeter Current and Voltage Monitor DC 5.0A 30V Amp Voltage Power Meter Test Speed of Chargers Cables Capacity of Power Banks

Features: 100% new and high quality guaranteed! USB takes power, can be detected line quality. Current sampling 50 milliohms, smaller loss. With precision current calibration, higher current accuracy. The phone is fully charged to automatically turn off the output. It displays the voltage and current data mAH, timing, easy viewing. It can detect mobile power output mAH. USB male plug 5V chargers, mobile phones and other equipment female insert, read current and voltage directly. Regular power off: When it's showing 00:00H on screen, press and hold the button for about 3 seconds and there will be flashing numbers. Press the button for 0.5 second and each time you press the button, it will add 0.5 hour. Then press and hold the button for about 3 seconds to save. Over current protection and Over current protection: When it's showing 0.00A on screen, press and hold the button for about 3 seconds and there will be flashing numbers. Press the button for 0.5 second and each time you press the button, it will add 0.5A. Then press and hold the button for about 3 seconds to save. When it's showing home screen, press and hold the button for about 3 seconds to clear the stored data. It can be used to find the charging problem of digital devices.. Specification: Device Type: USB Current Voltage Capacity Tester Power: 0-150W, 0-999.9Wh Accuracy: ¡À1% Color: Black Connectors Supported: USB Voltage: DC 4V-30V (Over-voltage protection can be set arbitrarily) Current: 0-5A (Over-current protection can be set arbitrarily) the test capacity range: 0-99999 mA Internal Resistance: 0-999.99 ohms Timing: 0-99 hours Timing: 0-24 hours Size: 2.28*0.91*0.47in(58*23*12mm) Weight: 0.52oz(4.6g) Package Includes: 1 x USB Current Voltage Capacity Tester.