・With four screws,fixed firmly not easily loose ・Two-color LED light displays power failure,working,reading and writing state at a glance ・Aluminum alloy material,with scratch protection film (which can be peeled off),better protects the hard disk tray,and prevent scratches ・Designed with SATA interface with 9.5mm thickness,suitable for most laptop computers ・Applicable notebook:the laptops with 12.7mm/9.5/9.0mm CD driver and SATA port Specification: ・Product size:thickness:12.7mm,width:127mm,length:126mm ・Output interface:SATA3 (backward compatible with SATA,SATA1,SATA2) ・Applicable hard disk:2.5-inch,with 9mm/9.5mm/12.5mm SATA interface Package included: ・1 x Hard Disk Drive Mounting Bracket ・4 x Screw ・1 x Screwdriver ・1 x Baffle Plate ・1 x English User Manual ・Other things not included