Included in the box is: 1- 3 watt LED T4 G9 Bulb, Soft White Ideal for residential and commercial applications, most commonly used for landscape, signs and displays. This high powered LED retrofit is equivalent to a 20W Halogen (12V) 3 watts; 260 lumens; 82 CRI; 25,000 hour average rated life; G9 Base Dimensions: Maximum Overall Length is 2.1 (inches); Bulb Diameter is 0.75 (inches)