The Summer Prodigy Easy Install App requires the purchase of a Summer Prodigy Infant Car Seat. The app simply guides the user through a quick and accurate 3 step install: click, level and tighten. FEATURES:The easiest car seat to install is now even easier! This instructional app will help you accurately install your Prodigy Infant Car Seat Base to your vehicle seat using either: a LATCH installation, lap belt installation or lap & shoulder belt installation. By following a series of simple steps, you will be able to install your car seat base in under 5 minutes and be sure that you have the most secure installation possible! Additionally, it shows you how to remove the car seat base from your vehicle seat. This APP requires the purchase of a Summer Infant Prodigy Infant Car Seat.