Not necessarily if you can mount a camera that has unobstructed view of the door as in my case, I use a cheap Heath Zenith door bell:
and whenever someone rings the bell I can view them on my V4.
Not necessarily if you can mount a camera that has unobstructed view of the door as in my case, I use a cheap Heath Zenith door bell:
and whenever someone rings the bell I can view them on my V4.