# FNIRSI Laser Rangefinder Distance Meter Length Area Volume Pythagoras

**URL:** https://aio.lv/en/product--fnirsi-ir40--11618330
**Data updated:** 2026-02-18 20:03 (EET)
**Category:** Measuring tools
**Manufacturer:** Fnirsi
**Manufacturer code:** IR40
**EAN:** 5907085527420
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 28.99 €
**Prices and availability valid until:** 2026-07-18 23:59
**Price without VAT (21%):** 23.96 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--fnirsi-ir40--11618330

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 06.07.2026 | free |
| Pickup points | 09.07.2026 | 1.99 EUR |
| Courier delivery to door | 09.07.2026 | 4.99 EUR |

## Summary description

The FNIRSI Laser Rangefinder is designed for measuring length, area, and volume with high precision. It features Pythagorean measurement capabilities and supports units in feet, inches, and meters. Compact design with dimensions of 33mm width, 78mm depth, and 17mm height makes it portable and easy to use.

## Long description

The FNIRSI IR40 Laser Rangefinder Kit is a compact laser distance meter for measuring length, area and volume. It supports continuous area calculation as the distance changes and includes Bluetooth connectivity for transferring measurements to a computer or mobile device using the RangeFinder app. A built-in gyroscope rotates the display according to orientation. The unit is powered by a rechargeable 400 mAh battery charged via the included USB-C cable and offers up to 3000 measurements per charge. The device is suitable for interior design, construction, renovation and other professional or private measuring tasks.
Advantages
The IR40 provides quick and accurate laser measurements within a 0.05–40 m range and supports Pythagorean calculations for indirect height measurements. Bluetooth pairing allows remote data transfer and storage, while the rechargeable battery and compact form factor make the meter portable and convenient for repeated use. The auto-rotating display improves readability in different orientations.
Suitable for
Interior design and space planning
Construction and building site measurements
Renovation and repair work
Estimating material quantities (area and volume)
DIY and home improvement projects
Key specifications
Measurement range: 0.05–40 m
Laser class: 2
Measurement modes: length, continuous area, volume, Pythagorean (indirect) measurement
Units supported: meters, feet, inches
Battery: rechargeable 400 mAh (USB-C charging)
Approximate dimensions: 33 mm (W) × 78 mm (D) × 17 mm (H)
Connectivity: Bluetooth (for RangeFinder app data transfer)
Display orientation: auto-rotate via built-in gyroscope
How to use
Power on the device and select the required measurement mode (length, area, volume, or Pythagoras). Aim the laser at the target and press the measurement button; the meter will display and, if applicable, continuously update area or volume values as distance changes. For indirect height measurements, use the Pythagorean mode following on-screen prompts. To transfer data, enable Bluetooth on your mobile device or computer, open the RangeFinder app and pair it with the meter to download measurements and calculations. Charge the meter with the supplied USB-C cable when battery is low.
Usage recommendations
Use the IR40 on stable surfaces or with a steady hand for most accurate results. Avoid direct exposure of the laser to eyes and follow local safety guidelines for Class 2 laser devices. For best Bluetooth connectivity, keep the paired device within typical Bluetooth range and ensure the RangeFinder app is up to date.

## Specifications

| Feature | Value |
|---|---|
| Weight | 0.12 kg |
| Operating temperature (T-T) | 0 - 40 |
| Height | 17 mm |
| Width | 33 mm |
| Depth | 78 mm |
| Product colour | Black |
| Manual | Yes |
| Storage temperature (T-T) | -20 - 60 |
| Batteries included | Yes |
| Units of measurement | ft, inch, m |
| Measurement range | 0.0500 - 40 |
| Laser class | 2 |

## FAQ

### How much does the Laser Rangefinder FNIRSI Model IR40 cost, and is it available for purchase?

The price is 28.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 194 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 06.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted.

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Fnirsi products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Fnirsi service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

## Image

https://aio.lv/img/cache/product/11618330/66826054_large.webp