Jobst Sensifoot Over The Calf Sock White Small Jobst Relief 20 30 Waist High SUCTION PUMPS * AC DC Battery System 01804 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 * Screw option optional screw to close the battery cover making the alarms controls only accessible to facility staff Flat low profile toe seam reduces irritation and pressure on toes * Acrylic padding reduces friction and provides cushioning for comfort * Acrylic yarn wicks away moisture to help keep feet cool and dry * Antimicrobial finish helps prevent growth of bacteria and fungi on the sock and helps eliminate odor *