Rhythm P2-E7 Portable Oxygen Concentrator

FEATURES: Compact & lightweight. Conveniently charge a backup battery while the device is in use Charging time 2.5 hours. (additional purchase). Battery duration up to 6 hours on setting 1. High efficiency, low noise. Excellent heat dissipation. High absorption sieve bed. Equivalent up to 7L. Includes AC/DC Car Charger. Meets FAA Travel Restrictions. SPECIFICATIONS: Size: 8.7” x 3.4“ x 6.3” Weight: 4.37lbs Warm up time: 2 minutes Settings: Seven Flow Settings (1-7) Oxygen Concentration: 90%-3%/+6% Oxygen Concentration Sensors Low oxygen concentration < 87% Incorrect concentration: < 50% Concentration sensor error alarm Alarms Power failure/ High and low temperature Low oxygen concentration/ Low battery High and low pressure /Sieve bed replacing AC Power Supply: Input 100-240v, 50-60hz (auto sensing to allow for worldwide use) DC Power Supply Input: 11-16V, Output 19V 6.3A Rechargeable Battery: 14.4V Battery Rated Capacity: 6.7Ah Display Screen: 2.8” Battery: 6700mAh, duration up to 6 hours on setting 1. Approx. 4 hours charge time with AC. Operation: Simple control functions and easy-to-read LCD display Use: Designed for 24/7 use