Brand N/A Model N/A Quantity 1 Color Blue Material PCB board Features Using a large current relay AC 250V 10A DC 30V 10A contacts part independent wiring safe and reliable; Standard interface can be extended in a variety of development board; With screw holes for easy installation; Suitable for 51 / AVR / AVR / ARM etc various platform Specification 4-channel relay output module; Control port: 5V; Relay output maximum contact point: 250V / 10A; Input IN1 / IN2 / IN3 / IN4 signal wire low level is effective; VCC GND power input port; Individually power supply input port JD-VCC for relay. Application Supports all microcontroller industrial area PLC control home intelligent control English Manual/Spec Yes Other Relay module for Arduino that works with official Arduino boards. Packing List 1 x 4-Channel relay module