1. Introduction
Thank you for choosing the Huepar B011G Green Laser Level. This manual provides essential information for the safe and effective operation, setup, and maintenance of your device. Please read this manual thoroughly before use and keep it for future reference.

Image 1.1: The Huepar B011G Green Laser Level, a compact and robust tool for various leveling tasks.
2. Safety Information
This device emits a Class 2 laser. Adherence to safety guidelines is crucial to prevent injury.
- Laser Class: Class 2 (IEC/EN60825-1/2014), output power <1mW.
- WARNING: Avoid direct exposure of the laser beam to the eyes. Do not stare into the laser beam.
- Do not disassemble the device. Repairs should only be performed by authorized service personnel.
- Keep the device out of reach of children.
- Use only specified batteries. Ensure correct polarity when inserting batteries.
3. Package Contents
Verify that all items are present upon unpacking:
- 1x Huepar B011G Laser Level
- 2x AA Batteries
- 1x User Manual (this document)

Image 3.1: Standard accessories included with the Huepar B011G Laser Level.
4. Product Features
- Bright Green Laser Diode: Offers superior visibility compared to red lasers, especially in bright ambient light, with a leveling accuracy of ±3mm at 10 meters.
- Compact and Easy Operation: Lightweight design for portability and ease of use. Features IP54 waterproof and dustproof rating, shock resistance, and wear resistance for durability.
- Smart Pendulum & Tilt Mode: The one-button operation allows for easy projection of combined or independent lines. Automatic self-leveling ensures straight lines within a ±4° range. Manual mode enables projection of lines at any angle.
- 110° Vertical Line: Projects a wide vertical line from floor to ceiling, suitable for various applications such as wall tiling, door/window installation, and stair laying.

Image 4.1: The Huepar B011G features a bright green laser for enhanced visibility.

Image 4.2: The B011G is designed with IP54 dustproof and waterproof capabilities.
5. Product Overview
Familiarize yourself with the components of your laser level:

Image 5.1: Key components of the Huepar B011G Laser Level, including the power button, laser window, pendulum lock, 1/4"-20 mount thread, and battery compartment.
- Power Button: Turns the device on/off and switches laser modes.
- Laser Window: Emits the green laser beams.
- Power Pendulum Lock: Secures the pendulum for manual mode or transport.
- 1/4"-20 Mount Thread: For attaching to a tripod or other mounting accessories.
- Battery Compartment: Houses the AA batteries.
6. Setup
6.1 Battery Installation
- Locate the battery compartment on the device.
- Open the battery compartment cover.
- Insert two AA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.
6.2 Mounting the Device
The Huepar B011G features a 1/4"-20 mount thread for versatile positioning.
- Attach the device to a compatible tripod or mounting bracket using the 1/4"-20 thread.
- Ensure the device is stable and securely fastened before operation.

Image 6.1: The 1/4"-20 mount thread allows for easy attachment to a tripod (tripod not included).
7. Operating Modes
7.1 Self-Leveling Mode
This mode automatically levels the laser lines for accurate horizontal and vertical projections.
- Slide the Power Pendulum Lock to the unlocked position (usually indicated by an open padlock icon).
- Press the Power Button to turn on the laser level.
- The laser lines will automatically self-level. If the device is outside its ±4° self-leveling range, the laser lines will flash rapidly to indicate it needs to be adjusted manually until it is within range.
- Press the Power Button again to cycle through horizontal, vertical, or combined laser lines.
7.2 Manual / Tilt Mode
Use this mode to project laser lines at any desired angle.
- Slide the Power Pendulum Lock to the locked position (usually indicated by a closed padlock icon).
- Press and hold the Power Button for a few seconds to activate manual mode. The laser lines will appear and will not self-level, allowing for angled projections.
- The laser lines will not flash in manual mode, indicating that they are not level.
- To exit manual mode, turn off the device and then slide the pendulum lock to the unlocked position before turning it back on.

Image 7.1: Illustration of self-leveling mode (unlocked pendulum) and manual/tilt mode (locked pendulum).
8. Applications
The Huepar B011G is suitable for a variety of tasks:
- Picture hanging and alignment.
- Wall tiling and flooring installation.
- Door and window installation.
- Stair laying and railing installation.
- General home decoration and renovation projects.

Image 8.1: Examples of how the Huepar B011G laser level can be used for various tasks, including hanging pictures, wall tiling, door-window installation, and stair laying.
9. Maintenance
- Cleaning: Use a soft, damp cloth to clean the device. Do not use abrasive cleaners or solvents.
- Storage: When not in use, store the device in a dry, cool place. Remove batteries if storing for extended periods to prevent leakage.
- Calibration: While the device is factory calibrated, regular checks for accuracy are recommended, especially after impacts or prolonged use.
10. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Laser does not turn on. | Low or dead batteries; incorrect battery installation. | Replace batteries; ensure correct polarity. |
| Laser lines flash rapidly in self-leveling mode. | Device is outside its self-leveling range (±4°). | Adjust the device's position until it is within the self-leveling range. |
| Laser lines are not straight in manual mode. | This is normal for manual mode, as it does not self-level. | Ensure the device is physically positioned at the desired angle. |
| Laser lines are dim. | Bright ambient light; low batteries. | Operate in lower light conditions; replace batteries. |
11. Specifications
| Specification | Value |
|---|---|
| Brand | Huepar |
| Model Number | B011G |
| Laser Class | Class 2 (IEC/EN60825-1/2014) |
| Laser Wavelength | 505-520nm (Green Laser) |
| Leveling Accuracy | ±1/9 inch at 33 feet (±3mm at 10m) |
| Self-Leveling/Compensation Range | 4° ±1° |
| Working Distance | 100 feet (30m) (100 LUX) |
| Operating Time | 6 hours (with all laser beams on) |
| Power Source | 2x AA Batteries (LR6) |
| Operating Temperature | -10°C to +50°C |
| Storage Temperature | -20°C to +70°C |
| IP Rating | IP54 (Dustproof and Waterproof) |
| Mount Thread | 1/4"-20 |
| Material | ABS + TPR |
12. Warranty and Support
Huepar products come with a quality commitment and customer service.
- Warranty: Customers can benefit from a 12-month limited warranty. This can be extended up to 24 months by registering the product (details provided on the packaging).
- Customer Service: The Huepar professional customer service team aims to answer any questions or issues within 12 hours.
- Contact: For support, please refer to the contact information provided on the product packaging or the official Huepar website.