5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM MCU Arduino 5V 1-Channel Relay interface board, and each one needs 15-20mA Driver Current Equipped with high-current relay, AC250V 10A ; DC30V 10A Standard interface that can be controlled directly by microcontroller ,such as Arduino , 8051, AVR, PIC, DSP, ARM and so on Contact independent wiring, safe and reliable With screw holes for easy installation Size:4.7 x 2.9 x 1.8cm Package Included: 1PCS*5V Eight 1 Channel Relay Module For PIC AVR DSP ARM Arduino