Multifunction PD tester: supports fast charging protocols such as PD3.0/2.0, BC1.2, and the maximum power output is 100W.Includes over-glow over-pressure protection The voltage range is adjustable: equipped with a convenient dial switch, which can adjust the voltage from 5V to 20V.This allows for flexible testing of different devices and their power output capabilities Wide compatibility: Compatible with PD3.0/2.0 and BC1.2 fast charging protocols, ensuring compatibility with devices.Users can confidently test and verify the charging performance of devices USB Type C PD support: It adopts USB Type-C PD support design to achieve seamless connection and automatic switching between front and rear insertion.This ensures worry-free testing of devices with different input voltages between 4V and 22V. Reliable Power Supply: This PD tester supports high power output and overvoltage protection, such as over-temperature overvoltage protection, providing a reliable and safe way to evaluate and analyze the power output capabilities of different devices. Specification:12pcs Colour:As Shown Material:plastic Package Contents: 12pcs x High Speed Charger 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.