What is the difference between the different Lifeproof case models?

The different Lifeproof case models offer varying levels of protection and features to suit different needs. The Fre series is the most popular and provides full waterproof, dirtproof, snowproof, and drop-proof capabilities. It also includes a built-in scratch protector and guarantees submersion in water up to 6.6 feet for 1 hour. The Nuud series, on the other hand, offers the same waterproof and drop-proof protection, but without a built-in screen protector. It utilizes a waterproof seal around the phone's edges, allowing direct touchscreen access. The Next series is designed for sleek and slim protection, offering drop-proof and snowproof features, while retaining the slim profile of the device. Lastly, the Slam series provides drop protection while showcasing the phone's design through a transparent shell. Overall, the different Lifeproof case models cater to various needs, ensuring durable protection for your device in different environments.