?Upgrade Wire: This led fairy lights adopts 4 silver wires in one. It is flexible and can be twisted into the shape you want. It is durable and not easy to break.40ft，120 Leds，versatile light strings， can be used to decorate bedroom，Christmas trees，plants， dresser，balcony， balcony， garden， dining room and other indoor and outdoor venues，create a romantic atmosphere. ?Safe & Waterproof: fairy string lights insulated wiring to ensure your security. After a few hours of use，fairy lights feels cool and does not need to worry about overheating.These rope lights (apart from the USB port) are IP67 waterproof， meaning they are perfect for outdoor areas even on rainy days. ?Remote Control:Use fairy string lights remote control to point at the receiver at the plug.fairy lights for bedroom can be switched on or off in any of 16 colours and is equipped with 4 dynamic modes， 4 flashing lights and 4 duration timers (to cancel the timer， press the "off" button or unplug them). ?USB End+Adapter:Plug in fairy lights USB plug enables USB hubs， power adapters， laptops， TV， or power packs.With the power supply moving， you can use it anywhere， indoors or outdoors，let the color follow every step! The USB End blue button and the remote control can change colors.You can also use the switch on the USB port to cycle through the colors and modes. ?100% Quality Guarantee:If you have any quality problems or suggestions about color changing fairy lights，please feel free to contact us and we will provide you with a satisfactory solution.