Reusable Medical Penlight for Nurses Doctors and Nursing Students - LED Pen Lights with Pupil Gauge Yellow Bright Light

Inclusion: Device and BatteriesPackage: Each comes individually with a boxA penlight is a miniature flashlight that is shaped like a pen. It normally measures around 5-6 inches long and runs on AA or AAA batteries. Penlights are made with either miniature halogen lightbulbs or LED (light-emitting diode) bulbs. Unlike a regular flashlight, which illuminates a wider area, penlights are designed to illuminate one very specific area with a bright light. Penlights for nurses and other medical practitioners are usually used as a diagnostic tool.