FNAC-28USB tester is a multi-functional USB voltage and current detection meter and mobile communication terminal fast charging trigger inst ent. It has a full-color ultra-wide viewing angle TFT LCD display and integrated USB-A, Type-C male and female multi-interfaces, which are widely adaptable. It uses an external 16-bit ADC chip with high measurement accuracy. It can be used to measure the power supply or power consumption of USB interfaces, mobile phone chargers, U disks and other products; it can be used to measure the charging power of mobile phones and the input and output status of mobile power supplies; it can be used to test the fast charging protocol of chargers. Screen:1.06 inches Monitoring voltage:4-24V,0.001V,±(0.2%+2) Monitoring current:0-6.5A,0-6.5A,±(0.2%+2) Monitoring power:0-156W,0.001W,±(0.2%+2) Note: 1. Do not connect the monitoring interface to a power supply exceeding 24V 2. Do not connect the PC connection port to a power supply exceeding 16V 3. Only one pair of monitoring interfaces (one input port and one output port) can work at the same time. When a pair of monitoring interfaces are already working, it is forbidden to connect devices to other monitoring interfaces. (Except the PC connection port, the PC port can be connected to an external power supply) 4. When using the fast charge trigger module, do not connect any monitoring interface to a device that cannot withstand high voltage 5. Do not charge the phone after the fast charge is triggered to avoid damage to the phone Colour:As Shown Material:ABS Package Contents: 1 * USB 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.