Forget about motion detection triggering the doorbell cam unless you add a Spotcam Camera to your setup. A SpotCam app available for iOS and Android connects to the bell and ringer over the SpotCam cloud service, with only a short delay between someone pushing the bell and you being able to view the live image on your phone. It was about 5 seconds in our testing. Video quality was good, though there was a noticeable and somewhat frustrating 1 or 2 second delay in the video, which made having a conversation with the person at the door hard. The basic level of service for the SpotCam Doorbell is free, but there’s no online storage without paying $2. 95 per month or $29/year for 180 days of storage to $4. 95/month or $49/year for 365 days of rolling storage. 8 x 1. 99/month for 30 days of videoReasons to BuyCan go anywhere, no doorbell requiredHas infrared sensor to distinguish people from carsReasons to AvoidSo so video qualityApp doesn't let you look at camera view anytimeNo chime inside the houseAmong the video doorbells we tested, the RemoBell was the largest and had the lowest resolution, and it does not integrate with any other smart home systems. We'd skip this option. How a Video Doorbell WorksWhen you push the button on a traditional doorbell, the action closes a circuit to ring a chime inside your home.