LeexGroup&reg; Luxury S Line LED Flash Sense Light Wire Drawing Case Cover for Samsung Galaxy i9300 S3 SIII ---Flash while calling or called,made of plastic, very lightweight; ---Packet Content: 1 x Flash Light Case for Samsung S3 ; 1 x CR2016 button battery; ---Colors: Black/Silver/Blue/Purple(Default is Black,if you want others,pls leave us message.Thanks!); ---Assembly of Battery: 1.Push the battery to the right to see the LED on, the light will go off after several flashes . 2.Attach the case to Phone; ---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.