Specifications:Material: Plastic+EL wire4 modes:Steady Light,Slow flash,Fast flash,Off.Features:1. Halloween LED Glowing Scary Mask: The mask is made of premium PVC and El cold light wire which has adverse effects on the human body.The cold light will make sure you stand out of the crowd. Regardless of where you are. you'll be getting tons of attention from others who are curious about your mask.2. 4 Control Modes & Long life: The mask control have 4 modes,steady light,slow flash,fast flash,Off. You can adjust the mode you need by the control panel.It need 2 * AA batteries(The battery is included in the package) to work and it can last for more than 48 hours.Clip the power pack to your pocket or onto your clothing.3. Safe & No heat: Electroluminescent film is a cold light source, the working temperature is lower than the fluorescent lamp.When it light ,it is low power consumption of milliwatts,which has no UV harm, NO adverse effects on the human body.4. Multi-Occasion Use: The Mask Can be used on any Occasional such as Halloween, Party, Rave Parties, Discos, Clubs, Birthdays, Masquerades, Mardi Gras, Rave Festivals, Costume Parties, Carnival, Gift,Festivals, Events and so on. Fun for all ages.Package includes:1 x Light up Mask.