Uxcell Relay Module Product name : relay module; model : srd-12vdc-sl-c Number of channels : 8; coil Voltage : 12V dc Contact capacity : 10A, AC 250V/125V, dc 30V/28V; size : 14 x 5 x 2Cm/5.5" x 2 inch x 0.78"(L*w*h) Materials : pcb; color : Red Weight : 122G; Package : 1 x relay module