What's the right home security camera system for my needs?

My dad wants a security camera system at his house for when he is away at his vacation house.

Budget:

$400-$1000

Requirements:
at least 4 cameras - 2 indoor 2 outdoor (covered porch - rain won't hit them).

Must be wireless (obviously they will have a cord for power)

Must be able to record to a DVR or online server

Must NOT interfere with wireless Wi-Fi internet

Must be able to view video feed from iPhone or internet browser

Must be able to motion detect

Must have night-vision

So there you have it. There are so many different setups out there and they all seem to have mixed reviews. IIm totally lost.

This company specializes in such systems:

Brickhousesecurity.com

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