1.PCB color: black

2. Use 5mm full color super bright LED

3. With current limiting resistor to prevent burning LED

4. Can be connected to a variety of microcontroller

5. High level LED

6. Working voltage: 3.3V/5V

7. Weight: 4g

8. Size: 16.2mm*15.2mm*1.6mm

9. R: red positive

G: green positive

B: blue positive

GND: common negative