Feature: Color: A variety of colors to choose from. A unique fashion mask. There are 4 kinds of shield control modes: steady light, slow flash, fast flash, off. A comfortable fill pattern matches the facial curve to hold it in place. The LED mask also has eyes, nose and mouth areas. The power supply can be assembled into a pocket or clothing. Use two AA batteries. (battery not included) Masks can be used for any occasion, such as parties, parties, discos, clubs, Halloween, birthdays, carnivals, gifts, festivals and events. Specification: Product Name: Luminous Mask Line color: blue, green, orange, rose red, purple, red, white, fluorescent green, yellow, royal blue (optional) Service life: 2000 to 8000 hours Material: PVC + EL line Battery level: 2 * AA battery (product does not contain battery) Package Size: 24*16*5.5CM/9.4*6.3*2.2in Package Weight: 105g/3.7oz Package List: 1 * Mask (10 colors optional) 1 * Controller (not contain battery)