Weltool M6-RD Penlight Red Beam LED Night Flashlight for Night Pilots, Navigation Map Viewing, Astronomical Observation, Star Charts, with Pocket Clip

Material: 6061 aluminum alloy, anodized surface Reflector: Optical glass lens Light source: Red X-LED, 632nm wavelength Spot: Uniform light, 18cm spot diameter at 20cm Brightness: 2.4 lumens Battery: Two AAA (LR03) alkaline batteries or two AAA Ni-MH rechargeable batteries Running time: 90 hours Reverse polarity protection Tail push switch Protection level: IP65, suitable for use in rainy weather Each flashlight has a unique serial number Size: (Diameter) 14mm, (Length) 133mm Weight: 25±0.5g (without batteries) Note: Batteries not included. [Professional Lighting] The M6-RD uses a red LED and is designed for professionals who require short-range lighting. Turning the flashlight on in dark environments helps prevent vision loss caused by strong light. [Professional Use] It can be used by astronomy enthusiasts to view star charts, by pilots to view navigation charts during night flights, and by mechanics and pilots to inspect equipment. It can also be used by police officers for drunk driving tests, and even if the light is shining into the eyes, it will not cause irreversible eye damage. [Home Use] It can be used to check for insects in the eyes, mouths, and noses of household animals, especially horses, for worms. It can also be used to check for color blindness. The red light is also useful for color blindness testing. It is very convenient for home use. [Optical Design and Durability] The professional-grade light curve and optical glass lens achieve high transmittance of over 90%. The illumination intensity within the aperture is even, with no dark areas, glare, or astigmatism interference. It is IP65 dustproof and waterproof, making it suitable for use in the rain. [Note] This flashlight is 133mm long and powered by two AAA batteries. A 1-inch size chart is included on the flashlight body. It comes with a detachable clip so you can clip it to your chest pocket, pen pocket, notebook, etc. This product does not include batteries. Please contact us if you have any questions.