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 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, Make sure your WiFi doorbell is firmly installed to avoid being stolen, Weight: 0.1322773572 pounds, Manufacturer: Aisuoka