This is a silk flame light replacement bulb which has a special red/amber dichroic coating, the red centre core fazing out to amber and yellow at the wider angles. This gives a variation in colour like a real flame further enhancing the incredible flame illusion. This 12V 8W dichroic (red/amber) bulb is used in all our silk flame light models. Price is per set of 2 bulbs Never use a bulb of higher wattage than 8 watts in our flame lights Please check your lamp for compatibility before ordering, it is vital you use the correctly rated and sized bulb as specified by the manufacturer of the lamp.