This Arlo Essential Wire-Free Doorbell Horizontal Wedge Wall Mount gives you better view and offer flexibility. Perfect option for Arlo doorbell for apartments. It has 30 to 55 degree horizontal viewing angle. It is made of high-grade, rugged materials, and can covers up holes or marks. Make a 35 to 55 horizontal adjustment using this mount. Easy Installation to you wall. Can be put in the left position, right position, or anywhere on your door. Without the wedge mount, you will have a smaller view angle. Using the wedge mount, you can get a much higher view angle for your doorbell. The horizontal wedge kit compatible with: Arlo Essential Video Doorbell Wire-Free. It is not compatible with: Arlo Audio Doorbell and Arlo Essential Wired Video Doorbell.