Alpha Relief Relieving Mattress Replacement System Recliners Accuracy: ±1

Accuracy: ±1

* Rust-proof Lightweight Aluminum Construction

so they are 100% waterproof then

The charging case has a built-in 300mAH battery which means it charges quickly and powerfully

Alpha Relief Relieving Mattress Replacement System Recliners Accuracy: ±1Designed for individuals with a medium to high risk of developing pressure ulcers or with existing pressure ulcers up to and including stage III * Interface Pressure below 30mmHg for 80% of the cell cycle and below 20mmHg for at least 50% of the cell cycle * Modular cell construction * Manual Pressure Setting Control * Two way stretch vapor permeable cover which is water resistant and easy to clean * Intergrated air filter * Audible and visual alarms