Home Oxygen Concentrator ZY-1J Description    1. Dual Therapy in One Device Use this oxygen concentrator for oxygen therapy or nebulizer therapy. (Set to the lowest oxygen flow for nebulizer use.) The machine operates quietly (≤48dB), ensuring it won't disturb your sleep or others. The handle makes it effortless to move from room to room. 2. 1-7 L/min Continuous Oxygen Flow Tailor your oxygen intake with 1-7 L/min adjustable oxygen flow. The oxygen concentration reaches up to 90% at 1 L/min flow. The filter filters air impurities, and the negative ion function ensures clean oxygen. In addition, the humidification bottle improves breathing comfort by humidifying the oxygen. 3. 0.5-4 Hrs Timer Function The machine runs continuously if the timer is off, but avoid using it for more than 24 hours without resting. 4. Ease of Use This oxygen concentrator provides 2 control methods: touch buttons and remote control. It has a voice function that broadcasts each setting. It also has a display that clearly shows the flow, concentration, timing, time and accumulated time. 5. Your Wellness Companion Our oxygen concentrator is designed to provide stable oxygen delivery, reducing discomfort and promoting health for users of all ages, from children to seniors. 6. Service Experience Confidence in Your ZY-1J Purchase with Our Service Guarantee. We stand by the quality of every ZY-1J home oxygen concentrator with a comprehensive one-year warranty, providing you with peace of mind and reliable performance.   Specifications Oxygen Flow Rate: 1-7L/min adjustable Oxygen Concentration: 30-93% Oxygen Mode: Continuous Product Size(L*W*H): 11.2*8.3*12 inches Net Weight: 13lbs Rated Voltage: AC110V / 60Hz Operating Noise: ≤48dB Power: 120W   ZY-1Z Components 1 x Oxygen Concentrator1 x Remote Control1 x Nasal Oxygen Tube1 x Nebulizer Set1 x Spare Filter1 x Spare Dust Cap1 x AC Power Cable1 x User Manual