1. Product Overview
The Blukar K9187 Rechargeable LED Flashlight is a versatile and powerful lighting tool designed for various outdoor activities and emergency situations. It features a main LED light with adjustable focus and two color temperatures (white and warm), a COB side light with white and red modes, and a 5000mAh rechargeable battery that also functions as a power bank. Its durable, IP67 waterproof design ensures reliable performance in challenging environments.

Image: Blukar K9187 Rechargeable LED Flashlight, showcasing its robust design.
2. Package Contents
Verify that all items listed below are included in your package:
- 1 × Blukar Rechargeable Flashlight (K9187)
- 1 × Mini UV Flashlight
- 3 × AAA Batteries (for mini UV flashlight)
- 1 × 5000mAh Rechargeable Battery (pre-installed in main flashlight)
- 1 × AAA Battery Holder (for main flashlight, as backup)
- 1 × AAA Battery Tube (for main flashlight, for AAA battery use)
- 2 × USB-C Charging Cables
- 1 × Storage Box
- 1 × Flashlight Pouch
- 4 × Waterproof Rings (spare)
- 1 × Lanyard
3. Setup and Charging
3.1 Initial Charging
Before first use, fully charge the main flashlight. The 5000mAh battery provides up to 24 hours of continuous illumination in low brightness mode.
- Locate the USB-C charging port on the flashlight.
- Connect one end of the provided USB-C cable to the flashlight and the other end to a compatible USB power adapter (not included) or a computer's USB port.
- The LED digital display will show the charging progress. A full charge is indicated by "100%".

Image: The Blukar K9187 flashlight connected to a USB-C charger, illustrating the charging process and the digital battery display.
3.2 Battery Installation (AAA Backup)
In emergencies, if the rechargeable battery is depleted, you can use AAA batteries as a backup.
- Unscrew the tail cap of the flashlight.
- Remove the pre-installed 5000mAh rechargeable battery.
- Insert three AAA batteries into the provided AAA battery holder.
- Place the loaded AAA battery holder into the flashlight, ensuring correct polarity.
- Screw the tail cap back on securely.
4. Operating Instructions
4.1 Power On/Off and Main Light Modes
The flashlight features 7 lighting modes, including 4 main light modes and 3 side light modes.
- Power On/Off: Press the ON/OFF button to turn the flashlight on or off.
- Switching Modes:
- From OFF, press the ON/OFF button once to activate the main light.
- Press the ON/OFF button again within 8 seconds to cycle through the main light modes: White Light → Warm Light → White Side Light → Red Side Light → Red Side SOS.
- To activate White Main Light SOS or Warm Main Light SOS, double-click the ON/OFF button when the main light is active.
- If the flashlight remains in one mode for more than 8 seconds, a single press of the ON/OFF button will turn it off.

Image: Diagram illustrating the 7 lighting modes of the Blukar K9187 flashlight, including main white, warm, and side COB white, red, and SOS modes.
4.2 Adjusting Color Temperature and Brightness
The main light offers two color temperatures and stepless dimming.
- Switching Color Temperatures: When the main light is on, short press the "Color Temperature Button" (located near the ON/OFF button) to switch between white and warm light.
- Stepless Dimming: When the main light is on, long press the "Color Temperature Button" to continuously adjust the brightness from 100% down to 30%. Release the button to set the desired brightness.

Image: Illustration showing the two color temperatures (warm and white light) and the controls for switching between them and performing stepless dimming.
4.3 Adjustable Focus (Zoom Function)
The main light features an adjustable focus mechanism to switch between spotlight and floodlight.
- Spotlight: Extend the head of the flashlight forward to narrow the beam for a long-range spotlight effect.
- Floodlight: Retract the head of the flashlight backward to widen the beam for a broad floodlight effect, ideal for close-range illumination.

Image: Visual demonstration of the flashlight's adjustable focus, showing how to zoom in for a spotlight and zoom out for a floodlight.
4.4 Power Bank Function
The Blukar K9187 can be used as an emergency power bank to charge other devices.
- Locate the USB-A output port on the flashlight.
- Connect your device's charging cable to the USB-A output port.
- The flashlight will begin charging your device.
Note: Using the power bank function will consume the flashlight's battery. Monitor the LED digital display for remaining battery life.
5. Key Features
- Ultra-Bright & Long Range: Equipped with high-quality LED chips for a powerful beam.
- COB Side Light: Provides soft, close-range illumination, ideal for work light or emergency situations. Includes white, red, and red SOS modes.
- Digital Power Display: An LED screen clearly shows the remaining battery percentage, preventing unexpected power loss.
- IP67 Waterproof: Constructed from high-quality aluminum alloy, making it durable, wear-resistant, and waterproof for outdoor activities.
- Safety Hammer: Integrated safety hammer for emergency glass breaking.
- Mini UV Flashlight: Included for detecting fluorescent materials, pet stains, or verifying currency.

Image: The Blukar K9187 flashlight demonstrating its ultra-bright and long-range beam, capable of reaching up to 1524 meters (5000 feet).

Image: The Blukar K9187 flashlight being exposed to water, highlighting its IP67 waterproof rating and durable construction with thickened sealing rings.

Image: The included 395nm rechargeable UV torch, demonstrating its use for fluorescent material detection, catching scorpions, and identifying pet urine stains.

Image: Detailed diagram of the Blukar K9187 flashlight components, including the COB side light, ON/OFF button, color temperature button, safety hammer, zoomable head, LED digital power display, and anti-loss lanyard.
6. Maintenance
- Cleaning: Wipe the flashlight with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Waterproof Rings: Periodically inspect the waterproof rings (O-rings) for wear and tear. Replace them with the provided spare rings if necessary to maintain IP67 water resistance.
- Battery Care: If storing the flashlight for an extended period, charge the battery to approximately 50% and recharge every 3-6 months to prolong battery life.
- Storage: Store the flashlight in a cool, dry place away from direct sunlight and extreme temperatures.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Flashlight does not turn on. | Battery is depleted. Battery not inserted correctly. Faulty battery. | Charge the flashlight. Check battery polarity and ensure it's securely inserted. Try using AAA backup batteries. |
| Light is dim or flickers. | Low battery. Loose connection. | Recharge the flashlight. Ensure battery cap is tightened. |
| Cannot switch modes. | Incorrect button press sequence. | Refer to Section 4.1 for correct mode switching instructions. |
| Power bank function not working. | Flashlight battery is too low. Cable or device issue. | Ensure flashlight has sufficient charge (above 20%). Try a different USB cable or device. |
8. Specifications
| Brand | Blukar |
| Model Number | K9187 |
| Dimensions (L x W x H) | 17 x 4.19 x 3.36 cm (6.69 x 1.65 x 1.32 inches) |
| Weight | 274 grams (9.66 oz) |
| Battery Type | 5000mAh Lithium-ion (main flashlight), 3 x AAA (mini UV flashlight / backup for main) |
| Power Source | Battery Powered (USB-C Rechargeable) |
| Waterproof Rating | IP67 |
| Color | Bordeaux |
| Included Components | USB-C Cable, Mini UV Flashlight, AAA Batteries, Storage Box, Pouch, Lanyard, Spare O-rings |
9. Safety Information
- Do not look directly into the flashlight beam or the UV light. It can cause temporary vision impairment or eye damage.
- Keep out of reach of children.
- Do not disassemble or modify the flashlight.
- Avoid exposing the flashlight to extreme temperatures or open flames.
- Use only the provided charging cables or certified equivalents.
- Ensure the battery compartment is sealed properly to maintain water resistance.
- Dispose of batteries according to local regulations.
10. Warranty and Support
Specific warranty information is not provided in the product details. For warranty claims or technical support, please contact Blukar customer service through the retailer where the product was purchased or visit the official Blukar website.
You can visit the Blukar store on Amazon: Blukar Store