Main Features:Flash while calling or called Colorful shinning flashOffer complete back protection for your iPhone Power with a CR2016 button cell, included The electron battery can be replaceProduct Note: You should put the round battery slightly right in the hole before putting on the case. If the case flashes with colorful lights, for about 10 seconds, the flasher protector is workable, and you have positioned the battery in the right place, then the case will flash while you make phone call or being called.


Compatible for Apple: iPhone 4/4S
Features: Back Cover
Material: Plastic
Style: Special Design


0.039 Package weight: 0.063 kg
Product size (L x W x H): 11.5 x 6 x 1 cm
Package size (L x W x H): 13 x 7 x 2 cm


Package Contents: 1 x Sense LED Flash Light Back Case for iPhone 4/4S, 1 x 3V CR2016 Electron Battery