HALJIA CH340G RS232 to USB TTL Auto Converter Adapter STC Brush Module

Specification:  Switchable output TTL level 3.3V/5V (with jumper)3.3V and 5V output voltage to supply the programmed controllerWith power light PWR, TXD and RXD indicator lightUsed to upgrade various deviceUsed for different diagnosticsCan be used for Gas LPG ECU interface adjustmentsPackage included:1 x HALJIA CH340G RS232 to USB TTL Module1 x Dupont cable