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 æm to 5.0 æm Compressor Pressure Range 30 to 36 psi Operating Pressure Range 8 to 16 psi Operating Temperature Range 10ø to 40øC (50ø to 104øF) Operating Humidity Range 10% to 95% RH Storage Temperature Range -20ø to 70øC (-4ø to 158ø 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