I was able to get one screw hole drilled using the SkyBell provided drill bit worked fine, however I had to use glue for the other side. I recommend Loctite Outdoor Adhesive, it dry’s fast and clear and worked PERFECT. I have to say with only 1 screw in and the glue this device was not going anywhere. Once the mount is secure and the wires are attached, you just lock the device onto the mount and put one screw into the bottom. For those of you who had experience with the older SkyBell models like me and hated the insanely small annoying screw under the bottom, this has been addressed and is finally nice and easy to install. Setup with the app was much faster and worked the FIRST time in both cases. I would say the longest part is the 5 or so minutes it has to charge the internal battery, after that it only takes a minute or two to get it all setup and configured. The LED lights are extremely helpful in knowing what the device is doing during setup along the way. It comes with a little card showing all the possible light combinations in the box. Weather/ReliabilityMy SkyBell HD has been through the rainy season and I can tell you now that the water had no effect on my device, seems great no matter what the weather was. Occasionally a very windy day will trigger the motion on the SkyBell if the tree in front of my camera is really moving, but it is unusual.