Engine: ultrasound system - Power: 100-240v/50-60Hz, 12Vdc, 1.2A max - Noise level: 40dBA - ampulla Capacity: 3 ml max - Frequency: 2.5 Mhz - Speed spray: 1.0 l / min (in saline 0.9% NaCl) - Particle Density: 0,5-4,0 micron - Accessories included: adult mask, child mask, set 20 cups medicines, nozzle, nylon bag, power adapter, rechargeable NiMh battery 12C 700mAh capacity, Set 5 filters