Description: Electric Vacuum Machine has no suction: Checking Steps First of all, make sure that the machine power indicator light is not on, whether the machine has the sound of the motor work; if there is a sound, the knob to the right to the bottom, use your finger to block the air inlet to see if there is suction, pressure meter has not changed. Note: The continuous use time of the machine cannot exceed 30 minutes, because there is overheating protection in the motor coil, which is not suitable for continuous long-term work. Otherwise, the motor will burn out due to overheating and generally need to be turned off after half an hour of use. When the machine cools down, the specific cooling time depends on the cooling environment at that time. If the machine can be turned on again, it means that the cooling is ready. Large Capacity The 33.8oz PC storage bottle avoids the hassle of frequent replacement and cleaning, and the good material supports high-temperature disinfection, making it safer and more convenient. Anti-slip Feet The bottom anti-slip feet ensure the stability of the machine while avoiding scratching the tabletop. Lightweight and Portable The lightweight(8.15lbs) suction machine, combined with its small size(11.81*6.3*10.63in), is particularly suitable for various emergencies and outpatient situations. You can directly grab the handle and take it to the place you need it. Package Included： 1*Portable Electric Suction Machine 1*Hose 1*Connecting Hose 1*Backup Air Filter 1*English Manual Other Tools Specifications： Material: Plastic, PVC, PC Color: White, Blue Power: AC 110V Input Power: ≤ 90VA+25% Pressure Regulation Range: 0.02MPa~0.07MPa Pumping Rate: ≤ 15L/3.96gal/min Fuses: AC110V, F1.5AL, φ 5×20 Storage Bottle: 1000mL/33.8oz Noise: ≤ 70dB (A) Vacuum Gauge: 0-0.1MPa, Grade 2.5 Equipment Type: 7E-A, High Vacuum/Low Flow Working Mode: Short Term Temperature: 5-35°C/41-95°F Relative Humidity Range: 30% - 75% Atmospheric Pressure Range: 700hPa~1060hPa Gross Weight: 5.15kg/11.35lbs Net Weight: 3.7kg/8.15lbs Power Cord Length: 1.73m/5.67ft Product Size: 30*16*27cm/11.81*6.3*10.63in Package Size: 42*36*32cm/16.53*14.17*12.6in Adjustable Pressure You only need to turn on the switch and use the knob to adjust the pressure from 0.02MPa to 0.07MPa. The large pressure gauge allows you to clearly see the negative pressure value and freely set the pressure according to your comfortable intensity. Low Noise Our machines work quietly and stably, with a sound level of less than 70dB during operation, allowing you to pay more attention to the patient's reaction. LyeXD 110V 33.8oz Portable Veterinary Suction Unit Low Noise Vacuum Pump Machine LyeXD 110V 1000mL Portable Veterinary Pump Machine Household Vacuum Suction U... Add to Cart Add to Cart Customer Reviews 5.0 out of 5 stars 3 — Price $129.99$129.99 $109.99$109.99 Noise ≤ 70dB (A) ≤ 60dB (A)