This is a 5V 4-Channel Relay interface board, Be able to control various appliances, and other equipments equipment with large current. It can be controlled directly by Micro-controller (Raspberry Pi, Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).

• 5V 4-Channel Relay interface board, and each one needs 15-20mA Driver Current
• Equiped Equipped with high-current relay, AC250V 10A ; DC30V 10A
• Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic active low)
• Opto-isolated inputs
• Indication LED’s for Relay output status
• 4 relay size: 75*55*20mm