Only Compatible with nest cam indoor 1st Generation Before use you Need to set "Night Vision Mode" to "OFF" in camera settings. At nightIt's best to have lighting assist outside your houseBecause you have turned off night vision Mode, you will not be able to use the night vision function, otherwise the light reflects back from the glass. Monitor outside without needing to run wiring outdoorsNo Indoor Reflections This Windows Mount Can be Mounted any Window, so the camera can be facing outside. if the camera is inside , it will prevent someone from just ripping it off a bracket like it is on the outside