Weltool M6-RD Red LED Night Vision Penlight for Pilots Viewing Navigation Maps, HGN Tests, SFST and ARIDE to DRE Evaluations，Pocket Pen Light with Clip for Doctors and Veterinarians

M6-RD adopts red light LED, which is designed for professionals who use short-distance lighting. When the flashlight is lit in a dark environment, it can prevent the vision from being affected by strong light. It is suitable for viewing star maps during astronomical observations, pilots viewing navigation maps during night flight of airplanes, inspecting instruments in the cockpits of tanks, submarines and armored vehicles, hunters or night-walkers viewing maps, and at the same time as viewing bees and examining the mouth of horses, as well as eyes，find earthworm. M6-RD can be used as a medical pen light,use this in the ER to find veins on patients，Use it for starting IVs on infants and children,checking patient's eyes and pupils,in EMS and this light (red color) makes the pupil shine while making the iris matted. Provides great contrast to really see the pupil size,HGN tests（the horizontal gaze nystagmus test）,SFST (Standardized Field Sobriety Tests) and ARIDE to DRE Evaluations. The professionally designed luminous curve adopts optical glass lens, the light transmittance is as high as 90% or more; it presents a round and uniform spot effect, the illuminance in the aperture is average, there is no dark area, no glaring center spot, and no stray light interference. even beam The flashlight is 133mm in length, uses 2 AAA alkaline batteries, and has a 1-inch scale. It comes with a detachable pocket clip, which can be clipped in the chest pocket or the side pencil case, or clipped on the cover of the notepad, which is convenient to carry.