*100% Brand New*Size: 13.5 x 5.3 x 1.7cm (LxWxH)*Working voltage: 5V*Channel: 8 channel*This relay module is 5V active low.*It is an 8-channel relay interface board, which can be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, PLC, etc.*It is also able to control various appliances and other equipments with large current.*Relay output maximum contact is AC250V 10A and DC30V 10A.*Standard interface can be directly connected with microcontrollers.*Red working status indicator lights are conducive to the safe use.*Widely used for all MCU control, industrial sector, PLC control, smart home control.