TOMTOP Stylish LED Calling Sense Flash Light Hard Case Back Cover for Samsung Galaxy S4 i9500/i9505 (Blue)

Note: Please install the battery correctly; otherwise it won't light or flash (the battery with words side should towards down). When you have installed the battery, it will automatically shining about 30 seconds.
Specifications:
Compatible Brand: For Samsung Galaxy S4 i9500/i9505
Type: Case
Material: Plastic
Function: Dirt-resistant
Battery type: 1 * CR2016
Item weight: 38g / 1.34oz
Package size: 13.6 * 7.1 * 1.1cm / 5.35 * 2.8 * 0.43in
Package weight: about 42g / 1.48oz
Package includes:
1 * LED Flash Case