This Commercial Grade Patio String Light with NO BULBS is a great option for Wedding Receptions, lighting tents, building outlines, backyards / patios, gazebos, parks or any other permanent lighting needs. Since these DO NOT include Light Bulbs, you are free to add your own Edison Bulbs, Shatterproof Bulbs, or Colored Bulbs. Our hanging outdoor stringer adds romantic lighting to the atmosphere - just plug them into a wall socket and they can be hung on tents, trees, poles, posts or any elevated surface in or around your home. Add a touch of whimsy to the outdoors as our string lights and optional bulbs are ready for any occasion! The specifications below will tell you all you need to know about our commercial string lights. Whether you're decorating indoors or out, our festoon lighting will sure to impress. Product Specifications:# of Sockets: 50Socket Type/Size: C7 Candelabra BaseCord Length: 54FTSpacing Between Sockets: 12"On/Off Switch?: NoDrop Distance: 3-inchCord Color: BlackSuitable Environment: Indoor / Outdoor (Commercial Quality - Great For Permanent Installation)Included Bulbs: Not IncludedBulb Base: E2 C7 Candelabra BaseBulb Wattage: Up to 5 Watts Recommended (500W Max String Total)Supported Bulb Types: Incandescent / LEDPower Connection:AC Plug-InExpandable End-To-End?: Yes, only with 5-watt or lower bulbs.End-To-End Connection Limit: Up to 2 Cords Total (when used with 5-Watt Bulbs - 500W Max String Total). Wiring Type: Parallel - Other bulbs stay lit if one goes outWire Gauge: 18 GaugeWeatherProof?: Yes, Rain Resistant. PVC socket forms a tight weatherproof seal around the bulb.Voltage: 120VAMP: Please note these cords can be plugged end to end, but please do not exceed the recommend Amperage of the cord. To calculate amperage of the cord, please use the following formula:Total Number of Bulbs x Bulb Wattage x 1.05 / 120 = Total AMPS