Vacu Aide Portable Suction Pump AC DC Battery Respiratory Care Sensitive sound pickup Jobst Opaque Sensitive Sensitive sound pickup It allows up to six pairs of data for viewing and recording to greatly speed up data capture and analysis 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 *