Uxcell Relay (5 Piece) Product name : relay; model : hk19f-dc5v-shg Coil Voltage : dc 5V; contact : 1A 125Vac/2A 30Vdc Main body size (approx.) : 2 x 1 x 1.5Cm/0.8" x 0.4" x 0.6" (l*w*t); material : plastic Color : Yellow; weight : 25G Package Content : 5 x relay