Gikfun 8 Channel Relay Module for Arduino UNO 2560 1280 ARM PIC AVR STM32 Raspberry Pi EK1157 Working voltage: 5V Channel: 8 channel AC250V 10A and DC30V 10A Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP432, TTL logic)