Measuring 36mm x 8mm (length x diameter) a 3 watt Incandescent Festoon Lamp that operates on at 6 Volts only and emits a Warm White (830) colour temperature over a life span of 1000 hours. This miniature light bulb has a double ended S7 cap/base and is commonly used on boats in caravans and for automobile applications such as number plate lights. The average life of this festoon lamp is 1000 hours.