New One 1 Channel Isolated 5V Relay Module Coupling For Arduino PIC AVR DSP ARM Brand new and high quality. 5V 1-Channel Relay interface board, and each one needs 15-20mA Driver Current. Equiped 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). Indication LEDs for Relay output status. Size:6.5cm x 1.7cm - 2.56inch x 0.67inch.