Ship Within 24 Hours & 2-3 Days Arrival. With a controller (no battery). Power:2 x AA batteries(Not included) The function of the controller is to control the light of the mask, and Halloween LED Mask has 4 modes: self closing, constant brightness, Quickly flash and slowly flash. Electroluminescent film is a cold light source, its work is basically no temperature, working temperature is lower than the fluorescent lamp. Light uniform, soft: the light did not flicker, will not make the eyes produc
