About this item 【Light up Your Birthday Party】Use happy birthday neon sign to light up your birthday party, adding cozy, happy, cheerful atmosphere and making the simple life more colors and interesting. 【USB Powered & Adjustable Brightness】Led happy birthday sign has a 118" USB power cord and comes with a dimmer switch. So you don't have to plug and unplug it each time. (USB interface can be connected to the computer/ charging bank /5V power supply). You can adjust the brightness by pressing "▲" and "▼" on the controller to create the most comfortable and perfect atmosphere. 【Safe & Durable & Energy Saving】The happy birthday led light is made of flexible silicone LED lights strip and high-quality acrylic. Compared with plastic or PVC neon sign, silicone neon sign is brighter, softer, more tenacity and abrasion resistance. With an advanced electrode system of 5V low voltage, safe to touch, low energy consumption and no heat. The acrylic board is also covered with a protective film, which can well protect the board surface from scratches. 【Easy to Install】The happy birthday light up sign comes with a chain, 2 screws and 2 hooks, and the acrylic board has 2 pre-drilled holes, so you can according to your needs to hang it on the wall or place neon light wherever you want to decorate. 【Perfect Birthday Decor & Gifts】The happy birthday neon light is glowing well at night, bright and not hurt your eyes, adding a beautiful artistic effect. the LED birthday sign is perfect to jazz up any themed birthday celebrations, suitable as birthday party gifts for children, girls, and friends.