indoor camera system
What is the best indoor camera? What is the best cheap home security camera?

Network video recorder (NVR) is a specialized computer system that includes a software program that records video in a digital format to a disk drive, USB flash drive, SD memory card or other mass storage device.

After testing dozens of wired and wireless options, the best home security camera is the Arlo Q ($149). It records high-definition, 1080p video both day and night.
TOGUARD Wireless Security Camera System 8CH 1080P NVR 4Pcs 1080P Outdoor/Indoor WiFi Surveillance Cameras with Motion Detection,Email Alert, Night