Image and audio quality: We wanted a high enough resolution to make out facial features in the dark, at more than a few feet of distance, and (obviously) in daylight as well. The screen itself did not need to be incredibly high-resolution, but we wanted a size that would be easily visible on a nightstand. For all monitors, but especially audio-only options, we wanted to be able to hear everything clearly at the lowest volumes.

Though we feel that the image quality on the Infant Optics is adequate, it’s hardly impressive by current (or even recent) standards. You can capably check to see if your kid is in bed and sleeping soundly, but you’re not going to see a little trail of drool trickling out of their mouth. If you want a crisper, clearer image, your best option is our Wi-Fi–enabled also-great pick, the Arlo Baby, a model we feel has a few shortcomings that put the Infant Optics above it in spite of our pick’s weaker image quality.
But not all of the tech has been figured out just yet. Namely, the spectrum of video quality between makes and models is massive. Overall video quality ranged from murky postage stamp, to crisp, HD signals—even on models that cost more than $200 and were filming in daylight! At night, almost every camera we tested used infrared bulbs (light that’s bright to cameras, but invisible to the naked eye). Paradoxically, because of those powerful LEDs, you often get a better picture quality by setting a camera to night mode during the day—especially in a shadowy room kept dark for a napping baby.
The Babysense 7 movement product is a sensor pad mattress product that isn't portable but seems to have fewer false alarms than wearable products. The BabySense 7 is easy to use and doesn't require much setup or preparation outside of placing the sensor and control unit. This unit even works well after your baby learns to roll over, unlike the wearable options that become less reliable as your little one's age.