Track Lighting Head, Compatible with Track Style J, Shape Flared, Lighting Technology Incandescent, Housing Color White, Maximum Wattage 50 W, Input Voltage 120 V AC, Diameter 3 1/2 in, Overall Length 3 5/8 in, Beam Angle Not Applicable, Aiming Range 90 Degrees , Bulb Base Type E26, Head Rotation Range 358 Degrees , Housing Material Steel, Includes On-Off Switch, Includes Bulb No, Lighting Certification Unrated, Overall Height 4 3/8 in, Overall Width 3 1/2 in