• Portable aspirator, more suitable for emergency transportation • Can extract at least 200ml of simulated vomitus within 10s • Continuous aspiration and three intermittent aspiration modes • Anti-overflow protection, built-in bacterial filter • The LCD screen can display the negative pressure value visually in real time (S-5L) • Light weight, small size, convenient for medical sta to carry when out-call • The back is designed to be suspended, which conforms to the EU load bearing standards • Plastic mold streamline modeling • Integrated AC and DC power supply modes (AC 100~240V, 50/60Hz or DC12V), configured with high-performance lithium batteries • Constant-voltage current-limiting charging, intermittent cumulative charging • Battery status segment prompt function