Features: Reduce noise: This battery powered LED strip light applied upgraded battery pack so decrease the noise which emits from the inverter. But there is still a little noise. The wire is applied in the dark is better. Novel gift: You can give these el wire neon glowing lights to your family members, friends, colleagues, classmates and neighbors as a novel gift, inviting them to enjoy the fun with you at the party. Specifications: Material: plastic Color: multicolor Size: 16.4 ft/ 5 meter Package includes: 15 Packs of el wire neon lights Notes: Manual measurement, please allow slight errors on size. The color may exist slight difference due to different screen displays. "