The device for the processing of bank notes has a modular design. The sensors are curved to correspond to the capsule’s shape. For heavier garments, a lock-release mechanism is provided that holds the arms in a fully open-locked position that supports coats, heavy sweaters and the like. The chip of the semiconductor light emitting element is provided with a sapphire substrate, an active region, a light shielding portion and anode and cathode electrodes for supplying an electric power to the active region.