Uxcell Relay Module Product name : relay module; model : srd-09vdc-sl-c Number of channels : 2; coil Voltage : 9V dc Load : 10A, AC 250V/125V, dc 30V/28V; size : 4.3 x 4.3 x 2Cm/1.7" x 1.7 inch x 0.78"(L*w*h) Material : pcb; color : Blue Weight : 37G; Package : 1 x relay module