Uxcell Relay Module Product name : relay module; model : srd-09vdc-sl-c Material : electronic parts; Number of channels : 1 Voltage : 9V dc; load : 10A, AC 250V/125V, dc 30V/28V Size : 43 x 17 x 18Mm/1.7" x 0.67" x 0.7" (l*w*h); color : Blue Weight : 21G; Package : 1 x relay module