Diameter:1.97inch,Depth:4inch.Please note: This Universal Track Lighting Heads special design is compatible with most E26 bulbs. The bulb will protrude,but they do work well and allow alot of light in the room.
KING SHA universal line voltage track lighting accepts screw in base lamps in different sizes and wattage. Can be use with PAR20, R20, PAR30, BR30, BR40, PAR38,halogen or LED lamp. It gives users more choices and flexibility when selecting lamps for different applications. 350° horizontal rotation or 90° vertical project, and can be locked vertically for desired angle.
Product specifications: Base: E26 socket (Medium / Screw-in base) Finish: Black Voltage: 120V Wattage: 150 Watt Max. 27-50W R20/, 35-50W PAR20, 45-85W BR30, 35-75W PAR30, 65-120W BR40, 45-120W PAR38 Track System: Compatible with all typical Halo 3-wire single circuit track systems Light bulb not included.
Package includes: 2 x E26 track lighting head 1 x User's Manual