Energy efficient: 50 feet long patio lights come with 50 clear G40 Bulbs and 2 spare bulb. Light bulbs have candelabra (E12) socket base, 5W per bulb. Perfect for home decor, creating a warm and romantic atmosphere that will make you feel relaxed and happy. End to end connect up to 2 strands | Waterproof and safety: The outdoor lights string is built with weatherproof technology, which can withstand extreme temperatures, rain, wind, and damp climates, perfect for outdoor decoration. It is UL certified, safe and durable. Either with an E12 socket base and a built in spare fuse for easy replacement | Practical and portable: These bistro string lights come with 6 inch lead with male plug, 12 inch spacing between bulbs, 6 inch tail with female connector, total length 50 feet. Lightweight and portable size for easy carrying and storage | Easy to install and dimmer compatible: The outdoor decorative light string is very easy to install with a cable tie or cup hook(search suspension kit if you need the hanging accessory), fix it or place it anywhere as you need. The G40 Christmas light string is very flexible and practical, a light bulb that goes out does not affect other lighting bulbs. G40 edison bulbs are dimmer compatible | Widely used: These edison bulb string lights are the perfect decoration for balcony terrace, garden, porches, pergola, gazebo, deck, tent, party, barbecue, city roof, umbrella, dinner, wedding, birthday, New Year party, cafe and more.