JOINNEW@ Hot Rose/Pink Love Heart Sense LED Flash Light Case Cover for Samsung Galaxy S3 SIII i9300 Hard Back Shell Skin Colors: Red,Black,Silver,Blue,Rose (Our default is Rose color,if you want others,pls feel fre to contact us,thank you!); Package includes:1 x Flash light Case for Samsung i9300 Galaxy S3 (flash colorful); 1 x CR2016 Button Battery; Assembly of Battery:1.Push the battery to the right to see the LED on,the light will go off after seveal flashes . 2.Attach the case to Phone; Note:It is very normal for the case to falsh when no calling or answering , no sending or receiving message , maybe it sensed other signals,so pls take easy to it ; Our products are all from factory direct supply, we can guarantee 100% inspection before shipping. If any problems of our products really exist, an exchange or a refund is available.