Product Overview
The Blukar LED Headlamp is a versatile and powerful lighting solution designed for various activities such as running, hiking, camping, and emergency use. It features a super bright COB LED, multiple lighting modes, motion sensor control, and a rechargeable battery, all within a lightweight and waterproof design.

Figure 1: Blukar LED Headlamp, showcasing its compact design and adjustable strap.

Figure 2: Overview of key features including Super Brightness, IPX5 Waterproofing, 6 Lighting Modes, 45° Adjustable angle, USB Charging, and Motion Sensor.
Setup and Charging
Before first use, fully charge the headlamp. The built-in 1200mAh battery provides extended usage time.
Charging Instructions:
- Locate the USB-C charging port on the headlamp.
- Connect the provided USB-C cable to the headlamp's charging port.
- Connect the other end of the USB-C cable to a compatible power source such as an AC charger, power bank, or computer USB port.
- A charging indicator light will illuminate. The headlamp typically takes 2-3 hours to fully charge.

Figure 3: The headlamp can be conveniently charged via various USB power sources, including AC chargers, power banks, and computers.
Video 1: Demonstrates the charging process and various features of the Blukar Headlamp, including its brightness, different light modes, and motion sensor functionality. (Duration: 1 minute 3 seconds)
Operating Instructions
The Blukar Headlamp offers 6 lighting modes and a motion sensor for hands-free operation.
Lighting Modes:
Press the power button to cycle through the conventional lighting modes:
- Strong White Light: Maximum brightness for clear visibility.
- Weak White Light: Reduced brightness for general use and battery saving.
- Strong Red Light: Preserves night vision and is less disruptive to others.
- Strobe Red Light: For signaling or emergency situations.

Figure 4: Visual representation of the six available lighting modes, including High Light, Low Light, Red Light, Strobe (SOS), Sensor Mode (White), and Sensor Mode (Red).
Motion Sensor Control:
The headlamp features two induction modes for hands-free control:
- Strong White Induction Mode: Wave your hand in front of the headlamp to turn the strong white light on or off.
- Strong Red Induction Mode: Wave your hand in front of the headlamp to turn the strong red light on or off.
To activate the motion sensor modes, press the dedicated motion sensor button. Wave your hand approximately 5-10 cm (2-4 inches) in front of the sensor to toggle the light.

Figure 5: A user demonstrating the motion sensor switch, showing how a simple hand wave can turn the headlamp on or off, useful when hands are occupied or dirty.
Adjustable Angle:
The headlamp base can be adjusted up to 45 degrees, allowing you to direct the light precisely where needed. This is particularly useful for tasks requiring focused illumination or when navigating uneven terrain.

Figure 6: The headlamp is lightweight (only 76g) and features an easy-adjustable, high-elastic, breathable headband for comfortable wear during extended periods.
Maintenance
- Cleaning: Wipe the headlamp with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Storage: Store the headlamp in a cool, dry place away from direct sunlight and extreme temperatures.
- Battery Care: To prolong battery life, avoid fully discharging the battery frequently. Recharge the headlamp regularly, even if not in use for extended periods.
- Water Resistance: The headlamp is IPX5 waterproof, meaning it is protected against low-pressure water jets from any direction. Do not submerge the headlamp in water.

Figure 7: The headlamp demonstrating its IPX5 waterproof rating, suitable for use in rainy conditions or splashes.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Headlamp does not turn on. | Battery is depleted. | Charge the headlamp fully. |
| Light flickers or is dim. | Low battery or in sensor mode. | Recharge the battery. If in sensor mode, press the power button to exit. |
| Motion sensor not responding. | Sensor mode not activated or obstruction. | Ensure sensor mode is active. Clear any obstructions in front of the sensor. Wave hand within 5-10 cm. |
| Charging not working. | Faulty cable or power source. | Try a different USB-C cable or power adapter. Ensure the cable is securely connected. |
Specifications
| Feature | Detail |
|---|---|
| Model Number | K9112 |
| Light Source Type | LED (COB Technology) |
| Brightness | 2000 Lumens |
| Battery Capacity | 1200mAh Lithium Polymer (Included) |
| Runtime | Up to 30 hours |
| Charging Time | 2-3 hours (approx.) |
| Charging Interface | USB-C |
| Water Resistance | IPX5 Waterproof |
| Weight | 79 Grams (2.79 ounces) |
| Material | ABS |
| Dimensions (approx.) | 2.36"D x 1.57"W x 5.91"H |
| Adjustable Angle | 45 degrees |
Warranty and Support
Blukar products are designed for reliability and performance. For any questions, concerns, or warranty claims, please contact Blukar customer support.
- Manufacturer: Blukar
- Contact Information: Refer to the product packaging or the official Blukar website for the most up-to-date support details.

Figure 8: Back of the product packaging, showing manufacturer details and contact information.

Figure 9: Inside flap of the product packaging, displaying important safety warnings in multiple languages.





