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USB 1-Channel 5V Control Switch Relay Module - Green + Blue
Product Description: the USB relay is controlled by a computer USB interface (USB) to control the switch of a relay. On board two LED lights: power: plug USB line£¬ the LED light; RELAY: relay after the LED light. Relay output capability: DC220V/10A Max; AC30V/10A Max. The output contains a common end£¬ a common beginning£¬ a normally closed end.