Circadiance SleepWeaver 3D Cloth CPAP Mask Headgear Frame it plugs into any 110V

it plugs into any 110V wall outlet and supports international power cords

Volume adjusts from 97 to 103 dB on the alarm

One battery is included

you won't need to know the size you need at the time you order

The Mirage Swift II nasal pillows system provides Mirage comfort and quality in a nasal pillows system

Circadiance SleepWeaver 3D Cloth CPAP Mask Headgear Frame it plugs into any 110VThis headgear is designed for use with all SleepWeaver 3D Soft Cloth CPAP & BiPAP Masks. SleepWeaver 3D's "wing shaped" headgear is available in two sizes Regular and Large to fit a wide range of patients. SleepWeaver 3D's unique wing shaped headgear has soft straps with rounded edges that channel just above and below the ears. 3D headgear is easy to fit and simple to adjust.