COMPREHENSIVE TESTING: Digital multimeter USB-C power meter supports PD3.1 protocol testing with voltage range 3-40V and current up to 12A, measuring voltage, current, and usb voltage tester power up to 240W WIDE COMPATIBILITY: Supports volt meter watt meter multiple fast charging protocols including PD3.1, QC2.0/3.0/4.0, MTK, and usb voltage meter other common charging agreements for usb c voltage meter versatile device testing CLEAR DISPLAY: Usb tester Features a bright LCD screen showing real-time measurements of voltage, current, power, and usb tester voltage current tester charging protocols with easy-to-read colored text PORTABLE DESIGN: Power meter Compact and USB-C tester perfect for testing phones, laptops, chargers, and usb c meter other USB-C devices ADVANCED FEATURES: Voltage meter Includes ripple testing capability and automatic protocol detection for usb-c power meter comprehensive power delivery analysis Color: Black Material: plastic Package Contents: 1 * Type C Voltage Current Tester Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.