The Hi-Tech Lamps part number 15G16.5C4M-O is a 120volt (120V), 15watt (15W) Incandescent Lamp made by Osram. It has a Candelabra base with a G16.5 bulb and a Clear lamp finish. This lamp has an overall length of 76.2mm with an average of 4000 hours. The color temperature is 2850K with a color rendering index (CRI) of 100. It is also known as 15G16.5C/4M 120V.