Product Info: Product parameters: 1.power:110V 60Hz 2.the input power:90VA 3.the limit negative pressure:≥ 0.075MPa 4.negative pressure adjustment range:0.02MPa to the limit negative pressure 5. pumping rate:≥ 15L / min 6.fuse tube:F1.5AL250V,φ5 × 20 7.storage bottle:1000mL,one 8.noise:≤ 65dB (A) 9.weight:4.4kg 10. Dimensions:280 × 196 × 285 (mm) Note: This product is non-professional medical use. Packaging included: 1PCS Yuwell Portable phlegm suction unit Attachments Suction catheter 2 pcs(Adults and children) Suction conductor 1 pcs storage bottle 1 pcs(1000mL) Fuse tube 2 pcs Air filter 2 pcs User's manual 1 pcs The equipment does not produce a positive pressure to ensure that its performance is reliable, safe to use. The use of oil-free lubrication pump, so that the environment from oil mist pollution. Small size, light weight, easy to carry, especially to adapt to a variety of emergency situations and travel needs. High negative pressure, high flow, low noise. Negative pressure regulator system can be stepless according to the need for voltage regulator.