Here are the key features and benefits of this portable nebuliser: Dual Power Source: The nebuliser can be powered by either AA batteries (2 included) or a USB charging cable (included), providing flexibility for use in various settings. Convenience and Portability: Weighing only 74g without batteries, the nebuliser is lightweight and portable, making it convenient for use at home or on the go. Silicone Face Masks: Includes two silicone face masks (adult and child sizes) for comfortable and effective medication delivery. Additionally, there's an option to use a face mask if the patient cannot use the mouthpiece. Warranty: Comes with a 2-year warranty for the main unit and a 1-year warranty for the medication cup, ensuring peace of mind for the user. Customer service support is also available for warranty queries. Quiet Operation: Operates quietly, minimizing disruption during medication administration, especially important for sensitive patients or nighttime use. Suitable for Home or Out-of-Home Use: Can be used both at home and on the go, providing flexibility for individuals with respiratory conditions who require regular medication administration. Kit Contents: 1 x Portable Nebuliser 1 x USB Cable 1 x Medication Cup 1 x Adult Silicone Mask 1 x Child Silicone Mask 2 x AA Alkaline Batteries 1 x Carry Bag Overall, the BREATH-A-TECH Portable Nebuliser offers a convenient, reliable, and portable solution for delivering asthma and COPD medication, providing flexibility and ease of use for individuals requiring respiratory treatment. (description exceeds maximum possible length)