Abstract: A pen cap for a medication delivery pen includes a piston-style detector mechanism. The piston-style detector mechanism includes at least an inner shell having first open end through which the medication delivery pen can be inserted, a second end opposite the first end, a sidewall defined by an outer surface and an opposing inner surface, and a passageway extending from the outer surface to the inner surface. The sidewall extends between the first end and the second end thereby defining a pen-receiving cavity there between. The piston-style detector mechanism further includes at least one switch and a translatable shaft at least partially disposed in the passage. The translatable shaft includes a body that extends at least from a pen-interfacing portion in the pen-receiving cavity to a switch-interfacing portion thereof.

Abstract: Lighting units for use in a variety of enclosures/containers to achieve a desired illumination effect are provided. The enclosures/containers are susceptible to illumination from within, defining an interior region for receipt of a lighting unit. The enclosure/container and the lighting unit are combined to achieve a desired illumination effect, e.g., consistent with a holiday and/or seasonal theme. The lighting unit generally includes a plurality of light elements that are adapted to generate at least three light colors, e.g., red, green and blue. The light elements are adapted to generate light in a pre-selected manner, e.g., pursuant to a selected illumination pattern. The combination may be employed with enclosure(s) having holiday/seasonal themes, e.g., a Jack-O-Lantern, a pumpkin, a ghost, a witch, a black cat, a skeleton, a Santa Claus figure, a candy cane, a reindeer, a snow man, an igloo, a ski lodge, a snowmobile, and the like.