1) Sutiable for digitl photos,music,movie,and files. 
2)DATA Capacity: 50GB, , Dual layer. 
3)Recording Speed:1-6X
4)Laser wavelength: 405nm 
5)Disk diameter: 120mm 
6)Disk  thickness: 1.2mm 
7)Record type: Recordable (write-once) 
8)Printable: full disc 

Manufacturer: Taiwan RITEK CORPORATION