1. Introduction
The Snakol Laser Distance Meter is a highly accurate and portable device designed for precise distance measurements. It offers millimeter accuracy and multiple measurement modes, making it a versatile tool for various applications. With its one-button operation, it is easy to control and provides real-time distance measurements.

Image: Snakol Laser Distance Meter in operation, showing a laser beam and millimeter accuracy on the display.
2. Safety Information
This device uses a Class 2 laser. Please observe the following safety precautions:
- Laser Hazard Level: Class 2 (<1mW)
- Warning: Do not look directly into the laser beam. Direct exposure to the laser beam can cause eye injury.
- Do not aim the laser at people or animals.
- Keep the device out of reach of children.
- Use the device only for its intended purpose.

Image: Back view of the laser distance meter showing dimensions and a laser warning label.
3. Product Overview
3.1 Components

Image: Detailed diagram of the laser distance meter with labels for its various parts.
- Laser Transmitter/Receiver: Emits and receives the laser beam for measurement.
- Display Screen: Shows measurement data, battery status, and measurement modes.
- Power On/Measurement Key (MEAS): Activates the laser and initiates measurements.
- Function Key (FUNC): Cycles through different measurement modes.
- Base Switching/Unit Switching Keys: Changes the measurement reference point and units (m, in, ft, ft/in).
- Addition and Subtraction Keys (+/-): Performs calculations with measurements.
- Shutdown/Clear Key (CLEAR): Clears current measurement or turns off the device.
- Battery Status Indicator: Displays remaining battery life.
3.2 Display Indicators
The display provides various indicators for easy operation:
- Measurement Reference (front/rear edge)
- Continuous Measurement Mode
- Maximum and Minimum Values
- Area/Volume/Pythagorean Measurement Modes
- Battery Status
- Measurement Units (m, in, ft, ft/in)
4. Setup
4.1 Battery Installation
The device requires 2 AAA 1.5V batteries (not included).
- Locate the battery compartment cover on the back of the device.
- Slide the cover open.
- Insert two 1.5V AAA batteries, ensuring correct polarity (+/-).
- Close the battery compartment cover securely.

Image: The back of the device with the battery cover open, showing two AAA batteries being inserted.
5. Operation
The Snakol Laser Distance Meter offers multiple measurement modes for various tasks. Press the 'FUNC' key to cycle through the modes.
5.1 Single Measurement
- Select the single measurement mode using the 'FUNC' key.
- Aim the laser at the target point.
- Press the 'MEAS' button to take a single distance measurement. The result will be displayed instantly.

Image: Top panel shows a single measurement being taken across a room. Bottom panel shows continuous measurement with multiple laser points.
5.2 Continuous Measurement
- Select the continuous measurement mode using the 'FUNC' key.
- Move the device to measure, and it will automatically calculate and display the maximum and minimum values in real-time.
5.3 Area Measurement
- Select the area measurement mode using the 'FUNC' key.
- Measure the length and width separately. The device will automatically calculate and display the area.

Image: Diagram showing how to perform an area measurement by taking a first measurement (length) and a second measurement (width).
5.4 Volume Measurement
- Select the volume measurement mode using the 'FUNC' key.
- Measure the length, width, and height separately. The device will automatically calculate and display the volume.

Image: Diagram showing how to perform a volume measurement by taking a first measurement (long), a second measurement (width), and a third measurement (height).
5.5 Pythagorean Measurement (Hook Measurement)
- Select the Pythagorean measurement mode using the 'FUNC' key.
- Measure the base (level) and the hypotenuse (beveled edge) separately. The device will automatically calculate the height.

Image: Diagram showing how to perform a Pythagorean measurement by taking a first measurement (level) and a second measurement (beveled edge) to calculate height.
5.6 Unit Switching
Press the unit switching key to toggle between measurement units: meters (m), inches (in), feet (ft), and feet/inches (ft/in).
5.7 Memory Function
The device can store up to 20 sets of historical measurement data.
6. Specifications

Image: Snakol SK-50 model showing its measurement range and a list of specifications.
| Feature | SK-50 | SK-70 | SK-100 | SK-120 |
|---|---|---|---|---|
| Measurement Range | 0.05~50m | 0.05~70m | 0.05~100m | 0.05~120m |
| Measurement Accuracy | ±3mm | |||
| Display Accuracy | 1mm | |||
| Laser Rating | Class 2 | |||
| Laser Power | <1mW | |||
| Area, Volume Measurement | Yes | |||
| Indirect Pythagorean Theorem | Yes | |||
| Addition and Subtraction | Yes | |||
| Memory Functions | 20 sets of historical data | |||
| Continuous Measurement | Yes | |||
| Maximum/Minimum Values | Yes | |||
| Buzzer | Yes | |||
| Dust and Splash Resistance Rating | IP54 | |||
| Battery Life | 5000 measurements (under fully charged condition) | |||
| Battery Selection | 1.5V*2 AAA | |||
| Laser Auto Off Time | 30 S | |||
| Instrument Auto Off Time | 3 min | |||
| Weight | 95g (with battery) | |||
| Dimension | 110*46*25mm | |||
7. Maintenance
To ensure the longevity and accuracy of your Snakol Laser Distance Meter, follow these maintenance guidelines:
- Cleaning: Wipe the device with a soft, dry cloth. Do not use abrasive cleaners, solvents, or harsh chemicals.
- Storage: Store the device in a cool, dry place when not in use. Remove batteries if storing for extended periods to prevent leakage.
- Protection: The device features an IP54 rating, making it waterproof, dustproof, and drop-resistant. However, avoid prolonged exposure to extreme conditions or direct submersion in water.

Image: The device being splashed with water, illustrating its IP54 waterproof, dustproof, and anti-fall features.
8. Troubleshooting & FAQ
- Q: Does the device measure in feet and inches?
- A: Yes, the device supports multiple measurement units including meters (m), inches (in), feet (ft), and feet/inches (ft/in). You can switch between these units using the dedicated unit switching key.
- Q: Does the SK-C model (or any model) have angle measurement?
- A: The device supports Indirect Pythagorean Theorem measurements, which allows for calculating heights based on two distance measurements, effectively addressing scenarios where angle-based height calculations are needed. It does not feature a direct angle measurement function.
- Q: Is the opening where the laser is located exposed, and does this affect its dustproof rating?
- A: While the laser emitting hole is visible, the device is designed with an IP54 rating, ensuring it is protected against dust ingress and splashing water from any direction. This design allows for accurate laser operation while maintaining durability.
- Q: Does the device come with a mobile application for recording measurements?
- A: This model does not include a dedicated mobile application for data transfer or remote control. Measurements are displayed directly on the device screen and can be stored in its internal memory.
9. User Tips
- Quick Measurements: Utilize the one-button measurement feature for fast and efficient distance readings.
- Versatile Modes: Take advantage of the multiple measurement modes (single, continuous, area, volume, Pythagorean) to suit different project requirements.
- Durability: The IP54 triple-proof design (waterproof, dustproof, and drop-resistant) ensures the device can withstand challenging environmental conditions.
- Accuracy: For best results, ensure the laser target is a flat, non-reflective surface.
10. Warranty and Support
For any questions, technical support, or warranty claims, please contact the seller or manufacturer directly. Keep your purchase receipt as proof of purchase.