Heyworld Slow Twinkle Lights - 75 LED Gentle Twinkling Christmas String Lights with 37 Twinkling Bulbs | UL Certified Waterproof for Indoor & Outdoor Use | 28ft Length, Connect Up to 3 Sets | Perfect for Holiday Decor, Garden Parties, and Cozy Home Ambiance

?Create a Magical AtmosphereO?- Our soft twinkling lights feature a slow, gentle twinkling effect that adds a touch of magic to your indoor or outdoor decor, creating a cozy and calm atmosphere that's perfect for any occasion.

?Safe and Waterproof?- Heyworld slow twinkle lights are designed with your safety in mind, ensuring that you and your family can enjoy them without any worries. Plus, the waterproof design makes them suitable for both indoor and outdoor decoration.

?UL Certified?- Not only is this string lights as a whole UL certified, its raw materials, wires, plugs and other accessories are all UL certified products and are produced in accordance with the processes specified by UL.

?Expandable Design? - With 75 LED lights and a total length of 21.5ft, our connectable design allows you to easily expand the length of your lighting display by connecting up to 3 sets. Perfect for parties, holidays, Christmas.

?Durable and Energy-Efficient ? - Our high-quality bulbs are resistant to breakage, fading, and chipping, and the LED lights reduce heat to protect your Christmas tree. Plus, they're designed to be energy-efficient, helping you save up to 80% on your energy bills compared to traditional incandescent bulbs.