1. Introduction
This manual provides essential instructions for the safe and effective use of your LARIN 120-LED Rechargeable Underhood Work Light Bar. Designed for mechanics and automotive enthusiasts, this light bar offers bright, portable illumination for various tasks, especially under the hood of vehicles. Please read this manual thoroughly before operation and retain it for future reference.
2. Safety Information
Always observe basic safety precautions when using electrical appliances to reduce the risk of fire, electric shock, and personal injury.
- Do not expose the light bar to rain or wet conditions.
- Do not operate the light bar if it has been damaged in any way.
- Keep the light bar away from flammable materials.
- Use only the provided chargers (110V AC/DC or 12V car adapter) to recharge the unit.
- Ensure the light bar is securely mounted before use to prevent it from falling.
- Avoid direct eye exposure to the bright LED light.
3. Package Contents
Verify that all items are present in the package:
- LARIN 120-LED Rechargeable Underhood Work Light Bar
- UL listed 110V AC/DC Charger
- 12V Car Plug Adapter

Image: The LARIN 120-LED Rechargeable Underhood Work Light Bar shown with its 110V AC/DC charger and 12V car plug adapter, alongside examples of its use in various settings.
4. Setup
4.1 Unfolding the Light Bar
The light bar is designed to fold in half for compact storage. To prepare for use, gently unfold the light bar until it is fully extended.

Image: The LARIN 120-LED Rechargeable Underhood Work Light Bar shown in its folded position for storage.
4.2 Adjusting and Mounting
The padded hooks on each end of the light bar are adjustable to fit various hood widths. Extend or retract the hooks to span between 53.5 to 71.5 inches. Carefully position the light bar under the car hood, ensuring the padded hooks securely grip the hood's edges without causing damage. The light bar can also be angled to direct illumination where needed.

Image: The LARIN 120-LED Rechargeable Underhood Work Light Bar fully extended, showcasing its design and adjustable hooks.

Image: The LARIN 120-LED Rechargeable Underhood Work Light Bar securely mounted under a car hood, providing bright illumination to the engine bay.

Image: The LARIN 120-LED Rechargeable Underhood Work Light Bar mounted under a car hood, demonstrating its adjustable angle for targeted lighting.

Image: A wider perspective of the LARIN 120-LED Rechargeable Underhood Work Light Bar illuminating the engine compartment of a vehicle.
5. Operation
The light bar features a 2-position switch to control the illumination level:
- Position 1: Activates 40 LEDs for extended operating time.
- Position 2: Activates all 120 LEDs for maximum brightness.
The operating time varies based on the selected LED mode:
- Approximately 2 hours with all 120 LEDs on.
- Approximately 4 hours with 40 LEDs on.
6. Charging
To recharge the internal battery of the light bar, use one of the provided charging adapters:
- Connect the UL listed 110V AC/DC charger to a standard wall outlet and then to the charging port on the light bar.
- Alternatively, use the 12V car plug adapter by connecting it to your vehicle's 12V accessory socket and then to the light bar's charging port.
Ensure the light bar is turned off during charging for optimal battery life. A charging indicator light (if present) will typically show the charging status.
7. Maintenance
Regular maintenance ensures the longevity and performance of your work light bar:
- Cleaning: Wipe the light bar with a soft, damp cloth. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the light bar in a cool, dry place, away from direct sunlight and extreme temperatures. It can be folded for compact storage.
- Battery Care: For best battery life, recharge the unit regularly, even if not frequently used. Avoid completely draining the battery before recharging.
8. Troubleshooting
If you encounter issues with your LARIN 120-LED Rechargeable Underhood Work Light Bar, consider the following:
- Light not turning on: Ensure the battery is charged. Connect the charger and allow sufficient time for charging. Check the power switch position.
- Dim light output: The battery may be low. Recharge the unit.
- Charging issues: Verify that the charger is properly connected to both the power source and the light bar. Ensure the power outlet is functional.
If problems persist, contact customer support.
9. Specifications
| Brand | LARIN |
| Model | 120-LED Rechargeable Work Light Bar |
| LED Type | 120 Super Bright SMD LEDs |
| Adjustable Hook Range | 53.5 to 71.5 inches |
| Operating Time (120 LEDs) | Approx. 2 hours |
| Operating Time (40 LEDs) | Approx. 4 hours |
| Construction Material | Durable ABS and Aluminum |
| Chargers Included | UL listed 110V AC/DC, 12V Car Plug Adapter |
| Form Factor | Bar |
| UPC | 008435129099 |
| ASIN | B00NNOD3M2 |
10. Warranty and Support
For warranty information or technical support, please refer to the contact details provided with your purchase documentation or visit the official LARIN website. Keep your proof of purchase for warranty claims.