Digital laser distance meter 50m – Accuracy and speed at every step
Are you looking for a reliable, extremely accurate and convenient measuring tool to replace classic measuring tapes? The 50m Digital Laser Distance Meter (SKU: M04022) is a premium tool designed for professional builders, architects and real estate agents as well as passionate DIY enthusiasts. With a measuring range of up to 50 meters and an exceptional accuracy of ± 2 mm, every measurement you make will be quick, easy and error-free.
Forget about complicated tape measures and the need for an additional assistant. This compact laser rangefinder allows you to measure length, calculate area or volume, and even determine the height of hard-to-reach places using the Pythagorean theorem with just one push of a button. Its light weight and pocket-sized size make it the ideal companion on any construction site or home renovation project.
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Why choose a digital laser distance meter? Key benefits

Exceptional accuracy and reliability: A measuring range of 0.05 to 50 meters with a tolerance of only +/- 2 mm ensures professional results on every project.
Versatile calculation functions: The built-in software not only measures distances, but also allows automatic addition, subtraction and instant calculation of area (m²) and volume (m³).
Indirect measurement with Pythagoras' theorem: Easily measure the height of an object or the width of a wall from a distance, even if there are obstacles in the way.
Flexible reference point: Measurements can be taken from the front or bottom of the device, giving you maximum flexibility in tight spaces.
Clear 2.5" backlit display: The large and clearly illuminated display makes it easy to read data even in poor lighting conditions or in the dark.
Compact and ergonomic: The device measures only 112 x 50 x 25 mm, weighs only 104 g (with batteries) and fits perfectly in any pocket. The convenient carrying strap prevents accidental drops from your hands.
Energy saving: The automatic shutdown function of the laser after 60 seconds and the entire device after 480 seconds significantly extends the life of the batteries.

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Product technical specifications
This professional laser distance meter combines a robust design with advanced technology. All technical data are listed below:

Measuring range: 0.05 ~ 50 m
Measurement accuracy: +/- 2 mm
Backlit display: 2.5" (6.35 cm)
Units of measurement: mm / In / ft (millimeters, inches, feet)
Laser type: Class II, 635 nm, <1 mW
Laser beam length and power: 630-660 nm, <1 mW
Functions: Indirect measurements (Pythagoras), area, volume, addition, subtraction
Automatic laser shutdown: after 60 seconds
Automatic device shutdown (saving): after 480 seconds
Operating temperature: -20°C to 60°C
Power supply: 2 x AAA batteries (INCLUDED in the package)
Dimensions: 112 x 50 x 25 mm
Weight (with batteries): 104 g

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Easy to use for everyone
Using the laser measurer is very simple. Point the device at the target point, press the button and within a split second the exact distance is displayed on the screen. Thanks to the possibility of changing the reference point (measurement from edge to edge or from the back of the device), you can also accurately measure the interior angles of rooms. The included hand strap ensures a secure grip when working at height.
Watch a practical demonstration of operation and see for yourself how easy it is to use in the video below:
Watch a video demonstration of the laser meter on YouTube
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Frequently Asked Questions (FAQ)
How does indirect measurement work using the Pythagorean theorem?
This feature is extremely useful when you don't have direct access to the point you want to measure (e.g. the height of a house). The meter allows you to measure two or three different distances (the hypotenuse and the leg), and the device automatically calculates the final height or width of the object based on the Pythagorean theorem.
Are batteries included in the package?
Yes, 2 x AAA batteries are already included in the package, which means your digital laser rangefinder is ready for immediate use as soon as you take it out of the packaging.
Can I use the device in extreme weather conditions?
The meter is designed to operate in an extremely wide temperature range from -20 °C to 60 °C. This means it will work without problems both on winter outdoor projects and on hot summer days on a construction site.


Responsible persons:
MAR-POL - MAR-POL SCIMPORT EXPORT M.ŚCIANA, K.ŚCIANA, 26-020 Chmielnik, Suchowola 6a, Poland, obsluga@mar-pol.sklep.pl, +48607865357
Distributor for Slovenia: Haloorodje.si, Online Sales, Rok Groznik sp, Podturn 42, 8350 Dolenjske Toplice, info@haloorodje.si, +38669731944, Slovenia
Product origin: China

Instructions for using the product:
• Preparation: Before using the digital distance meter, check that the batteries are charged and that the device is properly connected.
• Settings: Set the measurement units and measurement accuracy according to your needs. Check that the settings are correct before starting the measurement.
• Usage: Hold the digital distance meter in the correct position and point it in the right direction. Start measuring and move slowly and steadily.
• Reading the measurement: Read the measurement on the digital distance meter display. Check that the measurements are correct and record them if necessary.
• Maintenance: Regularly maintain your digital rangefinder to ensure it functions properly. Clean the display regularly and check that the batteries are charged.
• Storage: After use, store the digital distance meter in a safe place, away from children and pets. Make sure the device is turned off.
Additional tips:• Before using the digital distance meter, check that the batteries are charged and that the device is properly connected.
• Always pay attention to safety when using the digital rangefinder. Do not use the device if you are tired or under the influence of alcohol or drugs.
• Before use, check that the device is properly calibrated and functioning properly.
• When using a digital distance meter, pay attention to the correct distance between the device and the object being measured to obtain accurate measurements.
• Before measuring, check that the device is properly installed and secured to avoid damage.

Useful tips for work:
• For the most accurate result, hold the meter still and perpendicular or stable to the target surface during measurement.
• Before taking an important measurement, perform it twice and check that the results are the same.
• When measuring long distances, make sure that the laser beam is clearly visible on the target surface.
• Strong sunlight can make it difficult to detect the laser point, so when taking outdoor measurements it is recommended to measure in better lighting conditions.
• To measure the area of a room, measure the length and width, then use the area calculation function.
• When measuring height or width, when direct measurement is not possible, use the Pythagorean function.
• Before measuring, check which reference point is selected, as an incorrect setting may cause an incorrect result.
• Clean the laser aperture and sensor regularly with a soft, dry cloth.
• Replace the batteries when the low battery warning appears or when the device begins to operate erratically.

Warnings:
• CAUTION – Laser radiation. This type of meter uses a Class II laser with a power of less than 1 mW.
• Never look directly into the laser beam or point it at the eyes of people or animals.
• Do not direct the laser beam towards vehicles, aircraft or other road users.
• Do not use the meter as a substitute for professional measuring equipment in applications where incorrect measurement could cause danger or material damage.
• Before measuring, check the measurement area for obstacles or hazards.
• Do not expose the device to water, strong shocks, drops, or extreme humidity.
• When replacing batteries, observe the correct polarity and do not use damaged or leaked batteries.
• If you will not be using the device for a long time, remove the batteries.
• Do not disassemble the meter or modify the laser system.
• Keep it in a dry and protected place and out of the reach of children.

Same summary

The 50m digital laser distance meter is well suited to consumers who mostly take measurements in the house, garden or on house projects. Its range also allows it to be used on smaller construction sites and for measurements in open space, but it is not the most optimal for very long or special industrial requirements. It supports accuracy suitable for everyday tasks, and if fast data transfer to a phone or application is important to you, check if the model has Bluetooth connectivity, as this is not always a given. Robustness and easy power supply are additional arguments for reliable use for more frequent tasks, but for very specific professional tasks, you may want to reach for a more advanced model.

Recommendation source: Enaa guides and team experience.

User view

This laser measurer is often the choice of DIYers and users who are faced with renovations, measuring rooms or erecting fences. It is also useful outdoors, for example in the garden or when erecting auxiliary buildings - that's where its longer measuring distance comes in handy. For those who want to quickly and easily document measurements, the Bluetooth functionality allows data to be transferred directly to a smartphone or tablet.

When choosing such a tool, many users prefer the Mar-Pol brand, as it is considered reliable and valued for practical solutions for the home and garden.

Why buy at Enaa

At Enaa, we strive to present technical details and practical advice clearly, so you will find all the important information about laser distance meters in one place. We allow customers to quickly review the available range and easily compare models, making it easier to choose according to your actual needs.

Answers to frequently asked questions

What types of measurements is this laser meter best suited for?

It is primarily intended for measurements indoors, around the house, in the garden, and for basic construction or assembly tasks, where a range of up to 50 meters is sufficient.

Is the device easy to operate even for beginners?

Yes, the basic functions are intuitive, so the device is also suitable for those who are encountering lasers for the first time.

Is it possible to save measurements and transfer them to a mobile phone?

If the model includes Bluetooth connectivity, you can easily transfer the data to your phone or tablet for further processing.

What to consider regarding power supply when using frequently?

For more intensive use, we recommend checking whether replaceable batteries or a rechargeable battery are more suitable for you, as this affects smooth operation.

Description updated: April 2026