SUCTION PUMPS * AC/DC/Battery System * Easy-to-read built-in regulator and vacuum gauge for quick accurate adjustments * High-performance capabilities up to 555 mmHg vacuum and 27 lpm flow * Convenient 800cc single-patient use cannister for easier cleaning and less costly replacement * Small lightweight design * Universal AC power * 12V DC operation with included cigarette lighter cord *Includes all of the above features plus portability with built-in battery * Padded carrying case * Battery operates up to 1 hour when fully charged *