Heating Pad 12 x15 Moist Dry 4 Position Switch Auto Off Oxygen Masks Knee Hi * Classic Black Hip Kits Knee Hi * Classic Black * 30 40 mmHg * Small * Ankle Circ 7 8 * Heavy gauge construction * Jumbo actuator pump with emergency button can switch to manual mode and lowers patient down safely * Fast easy charge from AC outlet * Audible warning when battery power falls below 50% * The charge light will automatically shut off when battery is fully charged * Foldable mast and base for easy storage and transportation * For use with 4 point and 2 point slings * Wide base provides additional stability * Base height is 6 PVC heating pad with polyester cloth cover * Relieves fatigue & joint pain promotes blood circulation and temporarily alleviates arthritis pain * 50W 120V AC * Dimensions : 12 inches x 15 inches * 4 heat settings: Warm Low Medium & High * 40 minute auto shut off function * Electronic controller * Overheating protection * Power cord length: 9 ft * Polyester fabric cover removable and machine washable *