Includes: unit nebulizer kit mouthpiece air tube ac adapter 4 air filters storage bag instruction manual HCPCS Code E0570Virtual Valve Technology Compact and convenient; Smaller just got better. 3.5 times smaller than most compressor nebulizers Can help minimize and reduce storage space. 75% lighter than most compressor nebulizers less than 10 ounces Can help reduce shipping costs. Easy to use simple to operate - one- button operation. Convenient; smallest size and lightweight Built to last. 3-year warranty Efficient fast and effective treatment COMPRESSOR SPECIFICATIONS: Dimensions: ................................................................................................ 5 5/8 (w) ž 2 7/8 (h) ž 3 7/8 (d) (142 mm ž 72 mm ž 98 mm) Weight: .......................................................................................................... Approx. 9.5 oz. (270 g) (compressor only) Sound Level: ............................................................................................... 37.9 dBA Rating (AC Adapter): ................................................................................ 100 - 240V ~ 350mA 50/60 Hz Rating (Compressor Nebulizer): ........................................................... 12V 0.8A Made in China