A double contact bayonet socket. Push switch with water resistant boot. Complete with bulb. Chrome plated zinc. Screw size is 10 R.H., except for 0300DP2CHR which is 12 R.H.SURFACE MOUNT DOME LIGHT (PERKO)SKU: 85226095061$65.79PriceQuantityAdd to CartFeaturesDia.5"Depth1-7/8"Volts12