Security cameras, keypad locks?

[Brady D'Hont]

Hello!

Looking for best recommendations when it comes to security cameras, motion sensor lights, key pad locks, ring cameras? For a MTR specifically, a keypad lock and deadbolt seems like the best option so theres no turnover of keys 4-5 times a year. 

Any software/camera related, that can be controlled through an app where tenant can have constricted access to cameras but i as owner have full access? 

Cameras just for front door, and over garage facing driveway/rear door. Is this invasion of privacy?