This eBay listing is for ONE Werma Signaltechnik P/N 840.080.00 Single Color 24V DC Stack Light with amber lens. Never used other than being installed into a piece of pharmaceutical packaging equipment that was never sold. Very clean, Bulb are good. I have 3 pieces available. I will give each my 30 day no DOA warranty. Buyer pays $9 S/H/INS in the US via Priority mail. Buy with confidence from Esoteric Specialties!