Privacy Shutter or Cover

A lens you can physically block settles the question of when it is watching.

Local Storage Option

Keeping video on a card at home avoids sending a bedroom feed to a server.

Pan and Tilt Coverage

One moving camera can watch a whole room instead of one fixed angle.

Clear Low-Light Video

Indoor rooms at night are lit by a hallway lamp, if anything at all.

Discreet Shelf Presence

Something in a living room gets judged on how much it draws the eye.