Uxcell Relay Module Product name : relay module; output channel : 1 Trigger mode : high level; working Voltage : 5V Relay load Voltage : AC 125V/250V 10A,dc 28V/30V 10A; total size : 43 x 17 x 19Mm/1.7" x 0.67 inch x 0.75"(L*w*t) Material : electronic components, plastic; weight : 15G Package Content : 1 x relay module