1. Plug & Play
2. Fast & Reliable connection  just as the primary HDD.
3. Fully integrated into Laptop, no cables / PSU / software driver needed.
4. Dual boot, Support installation of 2nd Operating System on the 2nd HDD and boot selection. 4
5. There are 4 screws inside the caddy, morestablefor HDD/SSD installation.
 
Compatible:
The Universal SATA-to-SATA Caddy is compatible with laptops that has a 9.5mm/12MM thickness optical bay with SATA interface.
Package List: 
1 x 9.5mm/12MM HDD Caddy
1 x Screw Driver
1 x Bezel Panel
4 x Screw
(With Retail Package)