Uxcell Relay Module Product name : relay module; model : srd-24vdc-sl-c Number of channels : 2; coil Voltage : 24V dc Load : 10A, AC 250V/125V, dc 30V/28V; size : 4.5 x 4 x 2Cm/1.8" x 1.6 inch x 0.78"(L*w*h) Material : pcb; color : Blue Weight : 37G; Package : 1 x relay module