【High Quality】The EPN Halloween mask is made of environmentally durable PVC and El cold light wire, with no UV harm and NO adverse effects on the human body. 【Humanization Design】You can clip this LED Halloween mask on your pants pocket or clothes, convenient to take anywhere, need 2 AA batteries(not included) to work. 【3 Lighting Modes】The LED light has three lighting modes to change: steady Light, slow flash, fast flash, female joker costume choose the model according to your requirement.