You can directly choose the Perfect angle of 15° to improve your motion detection and gain more visibility for visitors. Especially when you use angle installation to see the walkway or front yard clearly, The doorbell wedge-shaped mounting frame also comes with detailed instructions, and the installation can be completed within 10-15 minutes. Use existing holes for doorbells, no need for additional holes Make sure your WiFi doorbell is firmly installed to avoid being stolen, Weight: 0.1322773572 pounds, Manufacturer: Nsssunnre