This Stormtrooper Helmet already has the difficult part finished for you. Full set of 501st fans with tubes to cool your head. Erv Plecter Labs Voice changer and speakers connected to the air regulator holes on each side. Full construction helmet padding can be cranked down for a perfect fit. Purple Lenses can be changed out easily to something else. Batteries were removed and left in storage, so metal connections are clean. At last testing all electronics worked perfectly. I cannot guarantee the electronics will work when you get it, because I’m not dealing with that hassle, and losers that want to constantly return items. But it worked during last use. Should be a 501st dream. This Master Replicas EFX Stormtrooper 1:1 Helmet is the perfect addition to any Star Wars fan’s collection. With its detailed design and authentic appearance, this helmet is sure to impress. The helmet features a voice changer, speakers, and fans, adding to its realistic functionality. The helmet is designed for cosplay and display, and is perfect for any Science Fiction & Horror enthusiast. The Stormtrooper character is a popular choice for costume parties and events, and this helmet is the ideal accessory for completing the look. Add this unique piece to your Star Wars collectibles today.