4 Channel Relay Module 12V Double Shaft Motor 56MHz USB RFID Reader-Writer is

56MHz USB RFID Reader-Writer is a professional-grade contactless identification device perfect for access control

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05V Charging Current 500mA per slot Safety Features Over-charge

Professional & Industrial Use - Commercial-grade applications

4 Channel Relay Module 12V Double Shaft Motor 56MHz USB RFID Reader-Writer is4 Channel Relay Module 12V It is a 4 Channel Isolated 5V 10A Relay Module Opto coupler, A wide range of microcontrollers such as Arduino, AVR, PIC, ARM and so on can control it. It is also able to control various appliances and other types of equipment with a large current. Relay output maximum contact is AC250V 10A and DC30V 10A. One can connect a microcontroller with standard interface directly to it. Red working status indicator lights are