Raising the standard for EMS suction units. The LSU features industry first device diagnostics, a 'no-tools' replaceable battery, built-in charger and an integrated vacuum regulator/power on knob. All this in a rugged 'bump-proof/splash-proof' design that is very quiet. * Dependable. Device diagnostics check all critical system functions * Easy to use. Single large knob operates the unit * Variable vacuum with 5 commonly used Oropharyngeal/Tracheal settings * High performance. Capable of > 30 lpm at 500 mmHg setting * Flexible. Comes with a built-in AC/DC power transformer. The unit can be operated or charged directly from AC/DC mains or an optional wall bracket. Laerdal Suction Unit offers one-touch testing to quickly check all functions: occlusion, vacuum build-up efficacy, maximum achievable vacuum level and air leakage. Includes: Suction Unit, AC and DC Cords, Canister with Patient Tubing, Battery, Vacuum Tubing, and Directions for Use.