If you need boosted security to monitor your front door activity 24/7, then you'll want something like Remo+ RemoBell S Wi-Fi Video Doorbell Camera. It provides you with 24/7 surveillance of your front door, with the option to select an area of focus.

Other video doorbells will only store videos if there's motion detected. This one can also record and store all motion activity for up to 3 days without any added fees. Need to talk to the person at your front door? You can do so via this doorbell. So, if it's the delivery guy, you can tell him to leave the package there.