A Pearl finished 40 Watt 50 Volt GLS that is a special purpose incandescent lamp for operating on low voltage circuits. We have a limited supply of these traditional light bulbs that feature an Edison Screw cap/base and a Very Warm White (2700K) colour temperature so stock up now if you still prefer or require this lamp type. This standard shaped lamp measures 108mm x 60mm (length x diameter) and lasts an average of 1000-2000 hours.