Brand N/A Model N/A Quantity 1 Color Blue Material PCB Features Good anti-interference performance use optoelectronic isolation and freewheeling diode protection. Adopt Songle relay and 5.08mm quality connecting terminal. With working state indicator and fixed screw holes for easy installation. Pass 100% function and stability test. Specification Contact capacity: AC 250V 10A DC 30V 10A; Wire connection as following: 1.VCC to positive wire. 2.GND to negative wire. 3. IN1-IN4 is signal input trigger end only high level trigger effect. 4. VCC1: relay module power supply. Application Great for electric DIY. English Manual/Spec Yes Packing List 1 x Module