Generic 5V 10A 2 Channel Relay Module Shield for Arduino ARM PIC AVR DSP Electronic - Product Features
- Size: 506mm (l) x 388mm (w) x 193mm (h)
- Weight: 30g
- PCB color black
- Around the board with 4 mounting holes, hole diameter 31 mm, easy installation and fixing
- A common end, a beginning, a closed-end, optical coupling isolation, good anti-interference