Due to State and Federal Law, we sell Syringes and Needles only to the Medical Facilities. The MQ5500 is easy-to-use and produces fast, effective treatments allowing the patient to receive convenient on-the-go medication * Featurs a sleek, low profile, palm size design * Versatile lightweight units operates on your choice of either AC or DC power choices * * Package includes: Portable Compressor, Rubber Base, Full Circuitry, AC Power Supply, DC Auto Adapter Cord, Includes Battery, Replacement Air Filters, Convenient Carrying Case * Five Year Warranty * Instruction Manual * Specifications Power 12V DC Adapter Current 1.2 A Particle Size 6.5 um~7.8 um MMAD 4um Sound Level Around 60 dBA Medication bowl capacity 13ml (cc) Average Nebulization Rate 0.2ml/min Compressor Pressure Range 30 to 36 Psi (210 to 250 KPa / 2.1 to 2.5 bar) Operating Pressure Range 8 to 16 Psi (55 to 70 KPa / 0.5 to 0.7 bar) Liter Flow Range 4 ~ 8 lpm Operating Temperature Range 10? C to 40 C? (50?F to 104?F) Operating Humidity Range 10% to 90% RH Storage Temperature Range -25?C to 70?C (-13?F to 158?F) Storage Humidity Range 10% to 90% RH Dimension (L x W x H) 5-1/8" x3-1/2" x 1-3/4" w/o battery pack: 5-1/8 x 2-1/2 with battery pack Weight 12.5 oz w/o battery pack 1 lbs. 9 oz. with battery pack