Replace your existing peephole with this digital LCD version for added assurance. Easy-to-install viewer requires no wiring and zooms in/out up to 3X. Has an on/off button with auto shutoff. If you don’t have a peephole, simply just drill a hole in your door and install.
does it let you know when the batteries are low?
Yes, there is an icon for low battery that is visible on the unit.
do if I am not home it will capture any and all movement of anyone coming or going?
This product does not record or store any video.
How does it open for battery changing?
After installed, the unit can be easily pulled off the door to access the battery panel for replacing batteries.
Does this come on before they push doorbell or only when they push doorbell?
This item is not connected to any doorbell. It is always on.
Product as advertised. Very easy to assemble. Chrystal clear.....