No liquid operation protection- Device stops automatically when there is no liwuid medicine detected inside the medicine tank to prevent transducer damage.
Rechargeable batteries workable
Easy to clean and maintain
Low battery indication
Option: AC adaptor capability
Power: 2 pieces AA Alkaline batteries, AC adaptor (optional)
Unit size: 5.4 x 6.2 x 12.4cm
Packaging: mouthpiece, adult and child masks and connector, 2 pieces AA Alkaline batteries, AC adaptor (optional), storage pouch, manual, gift box