Homecare Suction Unit w batt. 800cc disposable container Wheelchairs Lightweight K3 4 * Colored LEDs indicate power Style:Pair (Left & Right) * Colored LEDs indicate power to the unit and that handles are charging * Advanced circuitry for constant automatic safe charging and optimum lamp performance and life * Compact for convenience and mobility * Optional wall mount kit for permanently mounting to wall or cabinet * Optional specula tray conveniently stores swabs otoscope specula and curettes * Accepts 3 MAP:20mmHg~235mmHg Adjustable Flow Regulator Easy to turn knob conveniently placed directly below gauge for easy use and control Knob has safety lock feature which will not allow the knob to be twisted off Electrical Requirements: 100 240 V AC 50 60 Hz