Measuring 36mm x 6mm (length x diameter) a 3 watt Incandescent Festoon Lamp that operates on 12 Volt systems and emits a Warm White (830) colour temperature over a life span of 1000 hours. This miniature light bulb has a double ended S5.5 festoon cap/base and is commonly used for display and cove lighting as well as on boats in caravans and for automobile applications such as number plate lights.