Relay Maximum output: DC 30V/10A, AC 250V/10A
2 Channel Relay Module with Optocoupler LOW Level Triger expansion board, which is compatible with arduino
Standard interface that can be controlled directly by microcontroller ( 8051, AVR, *PIC, DSP, ARM, ARM, MSP430, TTL logic)
Relay of high quality loose music relays SPDT. A common terminal, a normally open, one normally closed terminal
optocoupler isolation, good anti-jamming