SOJITEK Apple iPhone 6 6S (4.7") Marvel Captain America Civil War Silver Twinkling Light Clear Case w/Captain America (Patent Pending Twinkling Light Technolgy Using LED Flash Alerts) Clear PC case with Transparent PET Film pattern Transparent PET FILM Pattern that light up the case using LED Flash Alert The Case lights up and looks beautiful especially at night. NO extra battery needed when using LED Flash Alerts Good for people who have hearing difficulties Check out our Youtube channel @Sojitek