The Contec 0803845 portable nebulizer uses ultrasound and a piezoelectric ceramic element that vibrates at a high frequency, dispersing the liquid into droplets. It operates on a 5 V DC power supply or a rechargeable 3.7 V lithium battery and has two nebulization settings. It is intended for personal use by adults, as well as for use in hospitals and clinics.

• Nebulization technology: Ultrasound
• Users: Adults
• Power supply: 5 V DC or rechargeable 3.7 V lithium battery
• Nebulization settings: 2
• Nebulization rate: Level I: ≥ 0.25 ml/min; Level II: ≥ 0.15 ml/min
• Median particle diameter (D 0.50): 1–4 μm (±25%)
• Particle diameter distribution: At least 60% of particles have a diameter below 5 μm
• Cup capacity: 10 ml
• Liquid volume: 2–10 ml
• Residual volume: ≤ 0.3 ml
• Noise: ≤ 50 dB (A)
• Operating frequency: 110 KHz ± 10%
• Input power: < 5 VA
• Protection rating: IP22
• Safety class: Class II equipment, type BF applied part
• Operating mode: Continuous operation
• Dimensions: 67.42 × 48.53 × 116.92 mm (L × W × H)
• Weight: 100 g
• Package contents: USB cable, adult mask, child mask, user manual