<b>Feature:</b><br> *Light sets: Off/Slow Strobe/Fast Strobe/Steady On Mode<br> *Size: approximate 17x18.5cm(6.7x7.28 inch)<br> * Good quality: More thinker, with sponge on the mask, more comfortable, No inferior plastic smell, no pungent smell <br> *Perfect gift: Perfect for Halloween, Costume Parties, Masquerades, Mardi Gras, Rave Festivals, Carnivals, Gifts, Birthday and Events<br> <b>Packing list:</b><br> 1xLED Mask<br> 1xbattery pack<br> <b>Note :that all glow wire battery packs in the industry make a slight high pitched tone and this is normal. For this reason, we've found that it is best to place the battery pack in your pants/shorts pocket to muffle the sound</b><br>