SINOBAG Chinese Twelve Constellation LED Sense Flash Light Case Cover for Apple iPhone 4, 4S and 4G (Pisces) Styles are all as the picture showed and you can choose the one you like Compatible with: Apple iPhone 4 4S 4G Made of hard plastic shell and can protect your phone against dust, knocks and etc. Way to use: Put the lithium battery into the its position with the letter side updown, and gently push the battery to the right part, the case will shining very cool Packet: 1 x Flash Light Case for iphone 4/4s; 1 x CR2016 button battery