Product Name : Optocoupler Driver Relay Module; Relay Type : SRD-24VDC-SL-C Coil Voltage : DC 24V; Pole Number : 2 Channel Load : 10A, AC 250V/125V, DC 30V/28V; Overall Size : 5 x 4.1 x 1.8cm/2" x 1.6" x 0.7"(L*W*H) Materials : Metal, Plastic, Electric Parts; Main Color : Red Weight : 33g; Package Content : 1 x Optocoupler Driver Relay Module