Very Warm White (2700K) 15 Watt Low Voltage (25 Volt) Incandescent Pygmy Lamp with an Edison Screw Base that has been traditionally use for boat and caravan lighting light strings festive illumination accent and display lighting and where space is limited. This light bulb measures just 58mm x 30mm (height x diameter) has a clear finish and lasts an average of 1000 hours. Incandescent light bulbs are difficult to source so f you still prefer them stock up now!