Description: This USB instrument can monitor voltage,current,capacity,power, load resistance, D+/D- voltage, charging time and other data.It supports QC2.0/QC3.0,BC1.2,For Apple Iphone 2.4A and other protocol quick charging styles of cellphone and chargers Current test range: 0-5.1A. Wide voltage range: 3-30V.This USB digital multi-meter is specially designed to protect your cellphone charging,the real capacity of your power bank and real time charging data detecting Real-time monitoring of charge data, USB monitor will automatically cut off when the device is full charged, makes it controllable and more secure when charging, effectively protect your device Special design of both USB sides in so makes it easy when plug the USB tester with other devices Specification: Accuracy: ±1% Line loss: 0.1? Size: 59.00x23.00x13.50mm (2.3*0.9*0.5 inch) Input Votage:3.0-30V;Voltage Resolution:0.01V Input Current:0-5.1A;Voltage Resolution:0.01A Package Includes: 1 Piece USB Safety Tester Note: Input voltage is not over 30V, current cann't exceed 5.1A; or may cause permanent damage to the equipment. Backup your data while connect it to your important devices; Please press the Key Button 6 times contiunally if the display is Chinese, it will change to English;
