Child Friend Design Quiet - Easy To Use Durable Compressor Metal Piston - Driven System Lifetime Warranty Set Includes: Child Mask 7 Non-kink Tubing Pacifier Applicator Angled Mouthpiece Medication Cup Pacifiers Sold Separately Under #mq0385 Liter Flow Range 4 To 8l/min. Nebulizer Medication Capacity 5ml Particle Size 0.5 M To 5.0 M Compressor Pressure Range 30 To 36 Psi Operating Pressure Range 8 To 16 Psi Operating Temperature Range 10 To 40c (50 To 104f) Operating Humidity Range 10% To 95% Rh Storage Temperature Range -20 To 70c (-4 To 158 F) Storage Humidity Range 10% To 95% Rh Power Requirements 120v 50-60 Hz Power Consumption 80 Va Noise Level 55 Dba Weight 4.3 Lb Warranty Limited 5 Year