Uxcell Relay Product Name : Relay; Model : HK3FF-DC5V-SHG Coil Voltage : DC 5V; Contact : AC250V 10A, DC30V 10A Size (Approx.) : 1.9 x 1.9 x 1.5cm / 0.75" x 0.6" x 0.6" (L * W * T); Material : Plastic Color : Black; Weight : 46g Package Content : 5 x Relay