Functional features: 1. Dual voltage stabilization design, 19 pin 5V stabilization 3.3V, isolated power output stabilization 3.3V 2. Multi channel isolation, supporting complete isolation of JTAG/SWD/UART serial ports simultaneously 3. Fully isolated, power output is isolated through modules. 4. J-flash download speed is 9.6MHz, - PRO speed is 15.2MHz Supports 19 pin 5V power supply and 1-pin dual power supply. Multi level support, which can be adapted to 3.3V or 5V according to the microcontroller level. Customized transparent protective case, beautiful and generous. Input/output LED displays the working status. Color: As Shown Material: ABS Package Contents: 1 x ISO isolator 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.