Halloween LED Mask Light Up, Hacker Purge Mask, LED Scary Skull Mask for Party T-Shirts and the battery compartment is

and the battery compartment is properly installed with two batteries Warning :Electronic components need to be removed before washing

and we provide the EL wire bowtie and battery case are connected by wire

and if you need

Keep the battery away from water

Button function:Long press: switch the mask on and off

Halloween LED Mask Light Up, Hacker Purge Mask, LED Scary Skull Mask for Party T-Shirts and the battery compartment isMOST EYE CATCHING FESTIVAL GEAR Surprise your friends and spread terror in your streets with lighting up this Halloween LED Skull Mask. The perfect choice for Halloween,carnival, disco, clubs, birthdays, festivals and events. SUPER SAFE FOR SKIN AND EYESThe purge mask is made of natural pre heated plastic & EL cold light, which is very lightweight, durable and NO UV damage. This means you get long lasting masks. Wear them to every party without