In the past few years, we have covered plenty of app enabled door locks and video doorbell that make your home smarter. The AKASO doorbell camera is also worth a look. It works with Alexa and Echo Show, so you can ask for a live view using voice commands. The camera has 166-degree viewing angle, PIR motion detection, and night vision.
You receive instant alerts when any motion is detected or your the doorbell is pressed. The device is compatible with iOS/Android devices. It is available for under $80 at this time.[where to get it]