2 Channel 5V Relay Module Opto-couple For Arduino AVR Raspberry Pi ARM PIC DSP Instruction: This is a 5V 2-Channel Relay interface board, be able to control various appliances, and other equipments with large current. It can be controlled directly by microcontroller (Arduino, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic) . Features: 5V 2-Channel Relay interface board, and each one needs 15-20mA driver current Equiped with high-current relay, AC250V 10A, DC30V 10A Indication LED's for relay output status Size: 50mm x 39cm Package included: 1 x 5V 2 Channel Relay Module (The test module does not includes)