Socket: E27(Large Edison screw, ES). Add a plug and cage to make your own unique lamp. Ideal for E27 screw type light bulbs. 1 x E27 Bulb Holder with/No 1.1M wire. Mood Lighting/General lighting. They all give out a huge wide beam angle of light, and are designed to give the widest beam angle of any SMD bulb on the market.