The 2 D Krypton Flashlight HRZ8807 is a great value. The durability of this flashlight is due to its molded high impact resin form. The flashlight contains a krypton bulb providing a super bright beam of light, making it a perfect multipurpose flashlight. With an easy to use side barrel slide switch and a convenient fold-away tail cap hang ring, this flashlight works in any situation. The 2 D Flashlight requires 2 D cell batteries to operate, and is available in assorted colors - red, blue, yellow, and black.