Why You Choose Novtech Waterproof LED Outdoor Patio String Lights? 1, UL certified outdoor globe string lights to ensure quality and safety. Low voltage outdoor decorative string lights, no worry about security issues. 2, IP65 commercial grade waterproof strand outdoor string lights for your exterior decoration, heavy duty black string can withstand all year round usage but still keep strong! 3, Energy saving(0.1w per bulb) LED string lights, never get hot after long time usage. No dazzling yellow soft light, protect your eyes while providing enough light in the dark night. 4, Globe string lights with LED light source, never get hot or turn yellow after long time usage. Please note: these string lights are not dimmable and can not be connected. Specifications LED Bulb Quantity: 50+3 PCS G40 Bulbs Bulb Spacing: 1ft (12inch) String Lights Length: 58ft (48ft lights string + 10ft power cord) Bulb Diameter: 1.58 inch ( about a golf size) Output Power: 5V/1A(5W) Input Voltage: UL120V Waterproof Rate: IP65 Color: Yellow Soft Light FAQ Q: Can i connect multiple sets together? A: These LED string lights are not connectable. Q: Where can i buy the replacement bulbs? A: We have special replacement bulbs for sale. You can search asin: B07VXLRKCP to buy the G40 replacement bulbs. Q: Are these string lights solar powered? A: These string lights are not solar powered, they are strictly plug in.