Capsule T4, Bulb Base Type 2-Pin (GY6.35), Bulb Dia. 1/2 in, Bulb Shape T3, Color Rendering Index 100, Color Temperature 3000K, Lumens 700 lm, Light Technology Halogen, Overall Length 30 mm, Trade Number BC50W/T4/12V, Voltage 12V, Watts 50 W, Rated Life 2,000 hr, Bulb Finish Clear, Dimmable Yes