The Owlet 85337790 Baby Monitor is a portable device capable of monitoring your baby's oxygen levels, heart rate, and automatically notifies you of any potential issues with features like a battery warning. With its 2.4GHz WiFi frequency, this baby monitor is smartphone capable and can be connected to smart home systems like Apple HomeKit, Amazon Alexa, and Google Home. The digital display provides a clear view of your baby at all times, giving you peace of mind while they sleep. Mint Green.