Onboard CH340 USB control chip. Onboard 5 v,10 A / 250 VAC,10 A / 30 relays,relay's can absorb 100000 times in a row. Onboard high-performance micro-controller chips. Onboard LED power lights and relay status LED lights. Module with over-current protection and relay diode current protection function., Weight: 0.03747858454 pounds, Manufacturer: Histeaa
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