• Choice of non-rechargeable battery handles - in three different dimensional size ? Practically wear-free, standard holding fixture for warm light & latest LED light blades ? Closed battery handle resist liquids penetration inside the battery compartment ? Scope Medical laryngoscope handles are made according to ISO 7376:2009 ? Soft knurled handle surface for hygienic usage â secure grip in hand ? Quality handles with CE marking ? labeled with LOT number ? Solid handles, all metal components