Parameters:
- Onboard high-performance microcontroller chips
- Onboard CH340 USB control chip
- Onboard power LED lights and relay status LED lights
- Onboard 5V,10A/250VAC,10A/30VDC relays, relay long life can absorb 100000 times in a row
- Module with over-current protection and relay diode current protection function
- PCB size: 47(mm) x16(mm)