ADJUSTABLE BRIgHTNESSThe happy birthday neon sign has 3 smart buttons The middle button controls the switch, and the up and down buttons can adjust the brightness (10%-100%) When you turn it off and then turn it on again, the smart neon light will return to the previous state without pressing a button180cm (71in) USB power cord+a 45cm metal chain IgHT UP YOUR PARTYUse neon happy birthday sign to light up your party, add romantic for wall decorationHappy birthday neon light sign is an ideal eye catching to your home decor or party, making the simple life more colors and interesting REMIUN MATERIALSThe new LED tube technology-neon signs are made of colored silicone tubes and strong and transparent acrylic bottom plateHappy birthday neon size approx 165x 12(42*30cm) All happy birthday neon sign for wall decor is cut by laser and processed by handWe use strict technology to ensure the high quality of the lamp, sturdiness, transparency, heat resistance, energy saving, no noise, and long service life exquisite party gIFTHappy birthday neon sign for backdrop comes with 2 hanging holes and a 45cm hanging chainJust hang on the chain and plug in the power to light up (can be lit by adapter, power bank or computer),and supports smart socket controlNo need for DIY We also provide exquisite gift boxes, suitable as birthday party gifts for children, girls, and friends WIDELY APPLIcATIONAjoyferris happy birthday neon light is widely used in wall decoration of bachelorette party, engagement party, birthday party, wedding, home decor, bedroom wall, office, bars, cafes, beer, windows, shops, apartments, dormitories, restaurant etcBright but not glaring