<p>Halloween mask requires 2 AA battery power and 3 control modes <b>(battery is not included in the package</b>).</p> <p> </p> <p>The LED mask is non-heating. The premium PVC and EL are cold light source. They are almost no temperature during operation and operate at a lower temperature than fluorescent lamps.</p> <p> </p> <p>This LED scary mask includes an elastic band that can be placed around the head to hold it in place.</p> <p> </p> <p>The glowing mask is light weight plastic, has no inferior plastic smell, has no pungent smell, and can be used with peace of mind.</p> <p> </p> <p>Light uniform, soft: the light did not flicker, will not make the eyes produce tension, fatigue.</p> <p> </p>