# of Sockets: Single. Socket Type/Size: Standard Medium E26 E27. Cord Length: 11FT. On/Off Switch?: Yes, inline on/off Dimmer Switch with the socket having its own on/off switch. Cord Color: Twisted Black cloth. Socket Color: Silver. Suitable Environment: Indoor Use / Dry Outdoor Use. Included Bulbs: Not Included. Bulb Wattage: 60W Max. (Suggested to Use with 40W bulbs) Supported Bulb Types: Compatible with Incandescent, CFL or LED. Power Connection: AC Plug-In. Screw-On Ring?: No. WeatherProof?: No. Voltage: 120V.