Fits for Echo Show 15 & 21: Our wall mount for Echo Show 15 (1st, 2nd Gen) and Echo Show 21 come to fit with sizes 15.6 inch computer screen, or 17, 19, 21, 24, 27, 32 inch TVs with VESA patterns from 75x75mm, 100x100mm. Use it as a full motion monitor wall mount to clear up desktop space or for ergonomic computer screen installation to improve your posture. Upgraded Viewing Experience for Echo Show 21: Our Echo Show 15 Wall Mount allows 360 degrees landscape to portrait rotation to offer more smooth and flexibility. You can customize your view angle from anywhere in the room with 180 degrees sufficient swivel angle. Tilt adjustment 15 degrees help reduce glare, say goodbye to neck pain !. Solid Structure, Robust Support: Our Wall Mount for Echo Show 15 & Echo Show 21 is designed for three articulating arms to ensure stronger load-bearing, all joints reinforced enough to secure TV mounting. Also, 16.77” extension from wall gives more flexibility during household cleaning, providing easier cables management and maintaining a clean look in your monitor mounting space.. Corner Fold Echo Show 15 Saves Space: This wall mount for echo show 15, echo show 21 that retracts a mere 2” from the wall enables you to position your display at any corner of the house, you can fold closely to the wall when it left unused. Wall tv mount in home theater protects family safety from tip-over, also save desktop space in living room, bedroom, kitchen, studio, office for an efficient workflow.. Pre-assembled & Easy Mounting: This wall mount for Echo Show 15 (1st, 2nd Gen) & Echo Show 21 comes with all the necessary hardware and instructions to help you install without any hassle. You can mount it on concrete/brick wall or only a single wood stud. Let it help you get the best seat in the house..