Coast Ll7526 V16 Pen Light Size Micro White LED Flashlight Micro sized 3 7/8" inch size White super bright Nichia LED Reflector tube system Diode charged LED light chip Gold plated contacts . Aircraft quality aluminum Includes tie clip &amp; gift box Lasts 70 hours on 2x BR435 batteries (Included) Length 98.6mm, 6.3mm wide Weight 10 grams Water resistant