USB POWERED: The neon light is powered by USB. LED tubing is touchable even when on - product does not get hot. Just plug into a wall adapter or computer USB port to turn on. SAFETY MATERIALS: This neon sign made of flexible silicon lights, acrylic backplane and soft unbreakable neon tube, pretty sturdy not flimsy. It is hazard-free with using USB 5V low voltage, insulation material. No risk of glass breakage or leakage of hazardous materials. YOUR HOME: Hamburger neon lights your home, add romantic with led neon signs for home decoration. Romantic innocence shape offers a warm light to your place, offers a romantic in your room. GREAT GIFT: A wonderful neon art light replaces the boring table lamp, adding color to the darkest room. Could be as birthday, 's Day, Christmas gifts to families, lovers, girlfriend, friends, kids etc. Hamburger Neon lights can add a little brightness to your life and are an excellent solution for decoration. TIPS: 1.This light is designed solely for interior use, except damp rooms. 2.Care should be taken not to damage the cables during assembly. Power must be disconnected before assembly or cleaning. 3.Do not switch off the power supply by pulling the cable directly as this may cause damage or short-circuits. 4.If you are not using neon lights, please remove the battery and put it in a dry place. Do not insert or unplug the power cord with wet hands. Power Supply: USB Shape: Hamburger Type of Bulb: LED Colour:As Shown Material:plastic Size:30 x 30cm Package Contents: 1 x LED Neon Sign Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.