... 3. Universal 4. Security 5.Easy to install Medium Fixed Flat Panel MountVESA compliance: 400x300mm 100X100, 200x100, 200x200, 300x200, 300x300 ... to finish the TV mount installationSecurity: Locking bar secures panel to mount to protect from falling down. Features:1) ... Fits most 23"-42" flat panel TV2) VESA compliance: 400x300mm 100X100, 200x100, 200x200, 300x200, ...