LifeChoice External Battery Pack transcend 3 battery Vsync leak management is developed GF9000 TDTCL VNTY Vsync leak management is developed by ResMed to track and control leakage and to relay accurate data in the instance that a leak arises The DreamWear Gel Nasal Pillow CPAP Mask with Headgear Fit Pack (All Cushions Included with Medium Frame) by Philips Respironics is an innovative mask that uses a tubelike frame to deliver airflow directly to the nasal cushion Lightweight and small Dimensions 9" Wide x 2 " Long x 4" High Product Weight 3 pounds Warranty 1 Year Warranty Battery Charging Time 6 hours FAA Approved Yes Manufacturer Inova Labs