# of Sockets: 10 10 socket outdoor string light Socket Type/Size: Standard Medium E26 Cord Length: 21FT Spacing Between Sockets: 24" On/Off Switch?: No Drop Distance: None Cord Color: Black/White/Green outdoor waterproof string light Suitable Environment: Outdoor (High Commercial Quality - Great For Permanent Installation) Included Bulbs: 12x S14 11W Light Bulbs (2x are extra) Bulb Wattage: Includes 11W bulbs but supports up to 40W bulbs (do not exceed 1200W Max Total). Supported Bulb Types: Incandescent / LED / LED Filament Power Connection: AC Plug-In - 2 Prong Expandable End-To-End?: Yes. Outdoor Commercial String Light End-To-End Connection Limit: Up to 8 Sets w/ current 11-Watt Light Bulb Configuration. Wiring Type: SJTW - Round hard service cord. Thermoplastic constructed jacket. 300 volt, weather resistant for outdoor use. Parallel Wiring?: Yes, other bulbs stay lit if one goes out Wire Gauge: SJTW-2*16 Gauge WeatherProof?: Yes, Rain Resistant. Conforms to SJTW. PVC socket forms a tight weatherproof seal around the bulb. WeatherProof Extension Socket?: Yes, extension socket has a weatherproof end-cap. Voltage: 120V UL Listed: Yes