Pro Advantage Disposable Diagnostic Penlight Pro Advantage Disposable Diagnostic Penlight 6/Pk Part #: P371000 Manufacturer: Pro AdvantageUnits of Measure: Pack Please log in to see price or purchase this item Quantity discounts available QuantityPrice DetailsDetailsPenlight has high-intensity prefocused bulb powered by two AAA batteries. Aluminum contact strip assures good contact for brighter light. Has a unique V-clip. One year shelf life.