Adjustable brightness: love is in the hair neon sign have three buttons. The middle control switch and up and down buttons can adjust the brightness. (10% - 100%) USB cable length: 78 ". Enough length can be placed anywhere in the shop.hair neon sign is brighter and warmer than the original neon light. Safe material: Alkkign love is in the hair neon sign is made of acrylic backplate PVC. The voltage is 5V, and the brightness can be adjusted. pretty hair neon sign will not heat up and can be touched by hand,Pink hair neon signs for wall decor use USB power supply (can be lit by adapter,power bank or computer) Light up your life: hair salon decor are suitable for salon stores shop hotel wall decor, warm neon sign, the first choice for shop open gifts.party, indoor neon art, concert, birthday Easy to hang: love is in the hair neon light size is 13.5 "x10.7" (35cmx28cm) There are two holes in the back of the neon light. beauty and hair signs is equipped with an iron chain and a hook.You can hang the neon light anywhere in your bedroom Applicable occasion: Alkkign love is in the hair neon lights are suitable for indoor rooms, parties, bars, parties, cafes, offices, beauty salon decor, college dormitories, bedroom walls,neon light sign hair salon neon sign