Signal construct sk 05 series led symbol indicators 5mm snap in mounting signal construct skgd05004 a red 5mm led panel indicator with a round lens head and a 24 to 28v acdc operating voltage the indicator is of the snap in mounting type and has a frosted lens surface that gives a high level of light transmission and a clear onoff contrast signal construct skgd05004 led indicator 5mm mounting red 24 28 vdcac round