The name says it all, a WiFi baby monitor uses the WiFi network to transmit signals. Usually, you use these baby monitors with your smartphone or tablet. There are also baby monitors that work both via a WiFi connection and a digital connection. Thanks to this, you can view your child both on the included parent unit and via an app on your phone. Baby monitors with WiFi have a large range than other baby monitors. When you make your decision, make sure to check the extra functions, such as two-way audio and lullabies. Some WiFi baby monitors have a recording function. That way, you can capture cute photos and videos when your child is sleeping or playing.