Bulbtronics has the largest selection and best prices on all Halogen products. Bulbtronics is the brightest source on Earth. The 6701/5 is a 100W 24V T3 Halogen bulb with a E10 / MINI SCREW base.Bulbtronics is your source for all lighting and other electrical products and equipment. For more detailed specifications for BT67015 , please look below.