The four light colors of headlamps (white, blue, purple,red and yellow) have their own unique roles in different scenarios, which are explained in detail below:
1. white light
-General Lighting: white light is closest to natural light, suitable for daily lighting, hiking, camping and most other scenes.
- High Brightness Requirements: Cool white light (higher color temperature) is highly penetrating and suitable for long-distance illumination or complex terrain exploration; warm white light (lower color temperature) reduces glare and is suitable for close reading or camp activities.
-Precautions: Strong white light may affect night vision, it is recommended to turn down the brightness in dark environments.
2. blue light
-Tracking blood or body fluids: blue light can make certain fluids (such as blood, urine) appear high contrast, commonly used in hunting or search and rescue scenarios.
-Special detection: some minerals or chemicals fluoresce under blue light, suitable for geological exploration or forensic examination.
-Cautions: Blue light has a short wavelength, may cause eye fatigue, not recommended for long time use.
-Less attractive to insects, but not as effective as yellow or red light.
3. violet light (ultraviolet/black light)
- Fluorescent Substance Detection: ultraviolet light (wavelength about 365-400nm) can stimulate fluorescent substance to glow, used for:
-Finding nocturnal creatures such as scorpions, centipedes, etc. (they appear bright blue under UV light).
-Detecting body fluids, forged documents, mineral fluorescent reactions, etc.
-Special Uses: such as finding bacterial stains during outdoor cleaning, or verifying anti-counterfeiting markings on documents.
Cautions:
- Prolonged exposure to UV light may damage eyes and skin, need to control the time of use.
- Need to be used with fluorescent targets, limited effect in ordinary environment.
4. yellow light
Effects:
-Reduce mosquito interference: yellow light wavelength is longer, less attractive to mosquitoes (tend to UV and blue light), suitable for summer or humid environment.
-Bad weather penetration: in fog, rain and snow, yellow light scatters less than white light, improving the clarity of vision.
-Low Interference Mode: Dark yellow light retains some of the night vision ability while avoiding strong light to disturb wildlife (e.g. bird watching, photography).
Cautions: Yellow light is usually low in brightness and complex terrain requires a combination of white light for supplemental illumination.
Comprehensive Recommendations
-Outdoor Adventure: White light is the main source, yellow light to assist bad weather, violet light for biological observation.
-Hunting/Search and Rescue: blue light to track traces, violet light to detect special conditions.
-Camping/Daily: warm white light to create a cozy atmosphere, yellow light to repel insects.
5. Red light
1.Protection of night vision
-Principle: Red light has a longer wavelength (620-750nm) and lower energy, which will not trigger the cone cells responsible for strong light sensitivity in the retina of the human eye, and can maximize the retention of dark adaptation.
- Scene:
- When reading maps and adjusting equipment at night, the use of red light can avoid re-adaptation to darkness after a short period of “blindness”.
- Astronomy observation, cave exploration and other scenes that require long-term night vision.
2. Reduce interference with other people and wildlife Concealment.
-Concealment: red light is not easily detected by distant people or animals, suitable for: Military covert operations, night photography (without disturbing animals).
- No disturbing the sleep of companions during activities in the camp.
-Low Attractiveness: Insects have a weak tendency to red light (much lower than blue/white light), suitable for summer camping or humid environments.
3.Adverse Weather Penetration
- Foggy, dusty weather: Red light scatters less than white light, which can slightly improve visibility (but weaker than yellow light).
4. Specialized professional use
-Darkroom work: When developing film, red light can provide basic illumination without affecting the light-sensitive materials.
-Biological observation: certain nocturnal animals (such as some amphibians) are not sensitive to red light, facilitating close observation.
Comparison with other light colors
Light Colors | Core Advantages | Typical Scenarios
White light | General-purpose high-brightness lighting | Hiking, climbing, campsite building
Yellow Light | Insect Repellent + Bad Weather Penetration | Rainy/Foggy Walking, Summer Camping
Red Light | Protect Night Vision + Concealment | Night Observation, Covert Movement, Campsite Shimmer Operation
Blue/Violet Light | Specialty Substance Detection | Hunting Tracking, Mineral/Bio Fluorescence Detection
The choice of different light colors needs to be combined with specific needs, now 4 kinds of light sources can be solved with one headlamp, great solution to your needs, come and buy one!
Product Description:
1. LED lamp bead model: 4* color new wick (new long-lasting wick)
2. range 1000-8000 meters
3. switch mode: 8 modes Zoom in: (low light - strong light - strobe - long press 3-5 seconds to enter the induction mode)
Zoom out: (low light-bright light-strobe-long press for 3-5 seconds in induction mode)
4. waterproof rating: IPX68
5. zoom mode: telescopic zoom
6. Lighting time: 2*18650 batteries 6-12 hours, 4*18650 batteries 12-24 hours
7. Battery cover: rubber material
8. Lens folding angle: 90
9. Charging mode C-type charging (input and output, with mobile power function, can be charged for cell phones)
10. Suitable for night camping, fishing, working, hunting, hiking, caving, etc.
