POWER SUPPLY: Neon sign uses 3-AA batteries (not included) or charges with a USB cable to light it up; 3-AA battery box with ON and OFF button; Standard input voltage for USB is 5V, OK to connect it to computers; Lower energy consumption, durable use. ENVIRONMENTALLY FRIENDLY MATERIAL: We made our LED lights from premium quality plastic, thick enough to resist breakage, not from glass tubes; Risk-free, no risk of glass breakage or leakage of hazardous materials. The darker the area, the more brightness from the neon lights. And the neon light is silent during illumination. UNIQUE DESIGNS: LED Neon sign, easy to mount on the wall, or place it on the table alone or combined with other parts to create eye-catching neon signs; PVC exterior, sturdy but lightweight, makes it portable and versatile; Neon light produces no heat after prolonged use. APPLICATION: Perfect GIFT for girls, kids, or ladies on birthdays, parties, performances, special occasions, Christmas, New Year; can be used for Valentine's Day, weddings, wedding banquets, engagements, anniversary accessories, or home, children's room decor, etc. Neon lighting, perfect decoration for home, bedroom, living room, balcony, balcony window, office room, children's room, restaurant, porch, pavilion, shelf, etc.