1. Introduction
Thank you for purchasing the Wurkkos DL02 Scuba Diving Light. This manual provides detailed instructions for the safe and effective use, maintenance, and troubleshooting of your diving light. Please read this manual thoroughly before operating the device and retain it for future reference.
The Wurkkos DL02 is a professional diving flashlight designed for underwater use, featuring a maximum output of 3000 lumens, a 6500K cool white light, and an IPX8 waterproof rating for depths up to 100 meters. Its robust construction and rotary magnetic switch ensure reliable performance in challenging underwater environments.
2. Package Contents
Upon unpacking, please verify that all items listed below are present and in good condition.
- 1 x Wurkkos DL02 Scuba Diving Light
- 1 x Rechargeable Lithium-Ion Battery (21700, 5000mAh)
- 1 x Battery Charger
- 1 x USB Type-C Charging Cable
- 1 x Lanyard
- 2 x Spare Waterproof O-Rings
- 1 x User Manual (this document)

Image: Contents of the Wurkkos DL02 Scuba Diving Light package, including the flashlight, battery, charger, cable, lanyard, O-rings, and user manual.
3. Setup and Battery Installation
Before first use, ensure the battery is fully charged and correctly installed.
- Charging the Battery:
- Remove the rechargeable battery from the flashlight.
- Place the battery into the provided battery charger.
- Connect the USB Type-C charging cable to the charger and a suitable USB power source (e.g., wall adapter, computer USB port).
- The charger's indicator light will show charging status (e.g., red for charging, green for fully charged).
- Charge the battery completely before initial use.

Image: The included battery charger with a USB Type-C port for charging the 21700 battery.
- Installing the Battery:
- Unscrew the tail cap of the flashlight.
- Remove the insulating sticker from the positive end of the battery (if present).
- Insert the battery with the positive (+) end facing towards the flashlight head.
- Carefully screw the tail cap back on, ensuring it is tightened securely to maintain the waterproof seal.

Image: Diagram showing the internal structure of the DL02, highlighting the battery compartment and the importance of removing the battery sticker.
- Attaching the Lanyard:
- Thread the lanyard through the designated hole on the tail cap of the flashlight.
- Secure the lanyard to prevent accidental drops, especially during underwater activities.
4. Operation
The Wurkkos DL02 features a rotary magnetic switch for easy mode selection and power control.
4.1 Power On/Off and Mode Selection
- To Turn On/Off: Rotate the magnetic switch to the central 'Off' position to turn the light off. Rotate it to either side to turn the light on.
- Mode Switching:
- Rotate the switch clockwise (to the right) to activate the High mode (3000 lumens).
- Rotate the switch counter-clockwise (to the left) to cycle through Low (300 lumens) and Medium (1000 lumens) modes.

Image: Close-up of the Wurkkos DL02's rotary magnetic switch, indicating the power and mode selection controls.

Image: Illustration of the three brightness modes (High, Medium, Low) of the Wurkkos DL02, showing their respective lumen outputs.
4.2 Battery Power Indicator
The DL02 features a built-in power indicator light on the switch to display the remaining battery capacity.
- Green: 75% - 100% battery remaining
- Flashing Green: 50% - 75% battery remaining
- Red: 10% - 50% battery remaining
- Flashing Red: Less than 10% battery remaining (recharge immediately)

Image: Visual representation of the battery power indicator colors and their corresponding charge levels on the Wurkkos DL02.
5. Maintenance
Proper maintenance ensures the longevity and reliable performance of your Wurkkos DL02 diving light.
- O-Ring Inspection: Regularly inspect the O-rings for any signs of wear, cracks, or damage. Replace them with the provided spare O-rings if necessary to maintain the waterproof seal.
- Lubrication: Apply a thin layer of silicone grease to the O-rings and threads periodically to ensure smooth operation and optimal waterproofing.
- Cleaning: After each dive, rinse the flashlight thoroughly with fresh water to remove salt, sand, and other debris. Wipe it dry with a soft cloth.
- Battery Care:
- Store the battery in a cool, dry place when not in use.
- Avoid fully discharging the battery. Recharge it when the indicator shows low power.
- If storing for an extended period, charge the battery to approximately 50% capacity.
- Storage: Store the flashlight in a dry, cool environment away from direct sunlight and extreme temperatures.
6. Troubleshooting
If you encounter issues with your Wurkkos DL02, refer to the following common problems and solutions.
| Problem | Possible Cause | Solution |
|---|---|---|
| Light does not turn on. |
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| Light flickers or dims unexpectedly. |
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| Water ingress. |
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If the problem persists after attempting these solutions, please contact Wurkkos customer service for further assistance.
7. Specifications
| Feature | Detail |
|---|---|
| Model | DL02 |
| Light Source | SFT70 LED |
| Brightness (Max) | 3000 Lumens |
| Color Temperature | 6500K (Cool White) |
| Beam Distance (Max) | 496 meters |
| Beam Angle | 19° (focused beam), 60° (overall light angle) |
| Power Source | 1 x 21700 Lithium-Ion Battery (included) |
| Battery Capacity | 5000mAh |
| Runtime (Low Mode) | Up to 12 hours |
| Waterproof Rating | IPX8 (up to 100 meters underwater) |
| Material | 6061 Aluminum Alloy |
| Dimensions | 18.5 cm (Length) x 6.3 cm (Width) x 4 cm (Height) / 7.28 x 2.48 x 1.57 inches |
| Weight | 130 grams (without battery) / 197 grams (with included battery) |
| Switch Type | Rotary Magnetic Switch |

Image: Diagram illustrating the dimensions and weight of the Wurkkos DL02 diving light.
8. Warranty and Support
The Wurkkos DL02 Scuba Diving Light comes with a 24-Month Warranty from the date of purchase. This warranty covers manufacturing defects and workmanship. It does not cover damage caused by misuse, unauthorized modification, accident, or normal wear and tear.
For warranty claims, technical support, or any questions regarding your product, please contact Wurkkos customer service. Our team is available to provide assistance.
Customer Service: Available 24 hours. Please refer to your purchase documentation or the Wurkkos official website for contact details.