Introduction
Thank you for choosing the SMILING SHARK COB LED Inspection Lamp. This versatile and durable work light is designed for various applications, including car repair, emergency situations, and outdoor activities. It features multiple lighting modes, a strong magnetic base, a rotating bracket, and a built-in rechargeable battery with a Type-C charging port. Please read this manual carefully before use to ensure proper operation and maintenance.

Setup and Initial Use
Package Contents
- COB LED Inspection Lamp (Model 2399-A or 2399-B)
- USB Type-C Charging Cable
- User Manual (PDF available at PDF User Manual)

Initial Charging
Before first use, ensure the lamp is fully charged. Connect the provided USB Type-C cable to the lamp's charging port and a compatible 5V USB power source. The LED power display will indicate charging progress. A full charge typically takes about 3 hours.
Positioning the Lamp
- Rotating Bracket: The integrated bracket can be freely rotated 180 degrees to adjust the light angle according to your needs.
- Magnetic Base: The lamp features strong magnets on its base, allowing it to be securely attached to metal surfaces for hands-free operation.
- Hang Buckle: A hang buckle is provided for suspending the lamp.
- 1/4 Screw Hole: A 1/4 inch screw hole allows for mounting on tripods or other compatible brackets.
Operating Instructions
Controls
The lamp features two main control buttons:
- ON/OFF Button: Press to turn the lamp on or off.
- MODE Button: Press to cycle through different light modes and brightness levels.

Light Modes
The lamp offers a variety of light modes and brightness settings. Use the MODE button to cycle through them:
- White Light: Strong, Medium, Low brightness.
- Yellow Light: Strong, Medium, Low brightness.
- Yellow and White Light: Strong, Medium, Low brightness.
- Natural Light: Strong, Medium, Low brightness.
- Red Light: Steady Red light, Flashing Red light (for emergency signaling).

Power Display
The LED indicators on the control panel show the remaining battery charge:
- Four lights: 100%
- Three lights: 75%
- Two lights: 50%
- One light: 25%
Maintenance and Precautions
General Care
- Avoid severe impacts to the main unit.
- Do not expose the lamp to benzene, thinners, or other chemical substances.
- Keep away from strong magnetic fields or electric fields.
- Avoid direct sunlight or heating appliances, which can cause damage or overheating.
- After prolonged use, avoid touching the front metal parts to prevent burns.
Charging and Storage
- Always ensure the battery is fully charged before storing the lamp for extended periods.
- If not in use, recharge the product every three months to maintain battery health.
- Dispose of waste packaging, batteries, and old electronic products responsibly according to local regulations.
Troubleshooting
Common Issues and Solutions
- Lamp not turning on: Ensure the battery is charged. Connect to a power source using the USB-C cable and check the LED power display.
- Light modes not changing: Press the MODE button firmly. If unresponsive, try turning the lamp off and on again.
- Reduced brightness or short battery life: The battery may need a full charge. Ensure you are charging it for the recommended 3 hours. Battery performance can degrade over time with extensive use.
- Overheating: If the lamp feels excessively hot, turn it off and allow it to cool down. Avoid using it in enclosed spaces with poor ventilation.
- Physical damage: Do not attempt to disassemble, repair, or modify the lamp yourself. This can void the warranty and cause further damage.
Specifications
| Feature | Detail |
|---|---|
| Product Name | Multifunctional Mini Work Light |
| Models | 2399-A, 2399-B |
| Light Source | COB Wick |
| Color Temperature Modes | Yellow light, Warm light, Natural light, White light, Red light (steady & flashing) |
| Battery | Built-in Polymer Lithium Battery |
| Charging Method | Type-C Interface |
| Switch Mode | Double Control Switch (ON/OFF, MODE) |
| Input Voltage | 5V |
| Charging Time | Approximately 3 hours |
| Body Construction | Aluminum-plastic composite material |
| Shell Material | ABS |
| Waterproof Level | Life Waterproof Grade |
| Product Weight | Approx. 51g |
| Product Size | 55mm x 60mm x 26mm |
| Electric | Yes |
| High-concerned chemical | None |

User Tips
- Many users find this lamp to be surprisingly bright for its size, making it effective for various tasks.
- The strong magnetic base is a highly appreciated feature for hands-free work, especially in automotive repair or workshop environments. The magnet hold is noted to be quite tight.
- The compact size makes it comfortable to carry in a pocket, enhancing its portability for outdoor or emergency use.
- Experiment with the different light modes (White, Yellow, Yellow & White, Natural, Red) to find the best illumination for your specific task. The red light and flashing red light modes are particularly useful for signaling or maintaining night vision.
- On medium power, the lamp can operate continuously for approximately 5 hours, offering good endurance for extended tasks.
- The Type-C charging port ensures convenient and modern charging compatibility.

Frequently Asked Questions (FAQ)
Q: What are the available light modes?
A: The lamp offers 14 different light modes, including various brightness levels for White, Yellow, Yellow & White, and Natural light, as well as steady and flashing Red light modes.
Q: How do I check the battery level?
A: The LED power display on the control panel shows the remaining charge with four indicators representing 25%, 50%, 75%, and 100% battery life.
Q: Is the lamp waterproof?
A: Yes, it has a 'Life Waterproof Grade', meaning it is resistant to splashes and light rain, but should not be submerged in water.
Q: Can I attach the lamp to metal surfaces?
A: Absolutely. The lamp features strong magnet adsorption at the tail, allowing it to be securely attached to most metal surfaces for convenient, hands-free lighting.
Q: What type of charging cable does it use?
A: It uses a USB Type-C charging cable, which is included in the package.
Warranty and Support
For detailed warranty information and customer support, please refer to the official product documentation or contact the seller directly. Keep your purchase receipt as proof of purchase.
A digital version of this user manual is available for download: SMILING SHARK COB LED Inspection Lamp User Manual (PDF).