4 Channel SPDT Power Relay Module, High Quality js1-24v-F 10 Amp Relay Darlington transistor circuits drive relay coil, LED indicators for each relay channel. High quality terminal block screws FR-4 Fiberglass PCB, Dual Copper Layer Dimensions: L80mm X W72mm x H15 5mm Operating Voltage/Current (VCC): 18 (at 24VDC) 36VDC / 120mAh Control Signal Voltage (IN-X): 0V - 0 5VDC (low level), non-working interruption 2. 5V - 24VDC (High Level), Relay Action Output rates each channel (relay switch) contacts. https://IMAGE - For NA AC, 125 VAC, DC 10 Amp, 30 VDC in 250 Pdf Datasheet, please purchase 5amp specification of papers without item SSL-Image - Amazon COM / Image / I / 91ngzd-qx9l PDF