Can be used with usb or with batteries (not included) Security: LED Cactus neon lights signs use at low voltage and energy saving, green light up neon light for room decor. It is hazard-free, No risk of glass breakage or leakage of hazardous materials • Battery USB Operated: Cactus Night Neon signs comes with USB and battery box (batteries NOT included), Just install batteries correctly, turn on the switch. • Perfect Gift and Decoration: LED neon decor lights could be as birthday, Valentine's Day, Christmas gifts to families, lovers,girlfriend,girls,kids etc; Neon lights and signs is widely used in wedding, bachelorette party, bridal banquet,birthday party and other celebration occasions