I really like this doorbell camera and how it integrates with my ADT system. Some notes on installation: 1 My mounting plate was slightly different than the one shown here as it had three slots for mounting screws as opposed to the two shown here. I used three screws to mount the plate. 2 I found routing the two existing doorbell wires to the connecting screws a little tricky. There seemed to be a couple ridges in the way of getting the wires into position to align with the two small slots in the rubber plug that environmentally seals off the electrical connections. It took some patience to get things aligned for a good seal. 3 I mounted the plate snugly to my wooden door frame and then followed all the instructions to let the camera update firmware, register it to my system and then snap it into place on the mounting plate. Everything worked perfectly including test ringing the doorbell. About an hour later, I noticed an alert on my ADT website dashboard that my camera battery was low, and the camera had stopped functioning. The doorbell ring function still worked. I recalled reading in the instructions that cautioned you should not over torque the mounting plate screws and I suspected I had done that.