FNIRSI IR40 Smart Laser Rangefinder / Tape Measure -Rechargeable, Portable

Compact, accurate, and smart measuring for home, construction, and professional use

The FNIRSI IR40 Laser Distance Meter is a portable, high-precision measuring tool designed for fast and accurate distance calculations. With laser accuracy up to 2mm and a measuring range of up to 40 meters, it's ideal for everything from home improvement to industrial applications.

Paired with a mobile app, the IR40 allows you to store thousands of measurements, perform virtual measurements, and even annotate real images-making it a smart solution for modern measuring tasks.

Key Features:

• High Accuracy Measurement
  2mm precision with a measuring range of up to 40m
• Smart App Integration
  Store thousands of data sets, annotate images, and measure in real-time
• Multiple Measurement Modes
  Distance, area, volume, continuous measurement, and Pythagorean calculations
• Unit Switching
  Easily switch between meters (m), feet (ft), and inches (in)
• Rechargeable via USB-C
  Built-in battery supports up to 3000 measurements per charge
• Compact & Easy to Use
  Simple 2-button operation with a clear LCD display
• Auto Screen Rotation
  360 gravity sensing for optimal viewing
• Power Saving Design
  Auto shut-off after 300 seconds of inactivity

Technical Specifications:

• Measuring Range: Up to 40m
• Accuracy: 2mm
• Resolution: 1mm
• Measurement Time: 0.1 - 3 seconds
• Laser Class: Class II (<5mW)
• Laser Type: 620-670nm
• Units: m / ft / in
• Display: High-definition LCD with auto rotation
• Battery: 400mAh rechargeable lithium battery
• Charging: USB Type-C
• Working Temperature: 0 C ~ 40 C
• Storage Temperature: -20 C ~ 60 C

Ideal For:

• Home renovations and DIY projects
• Construction and site measurements
• Real estate and property assessment
• Warehouses, factories, and large spaces
• Classrooms, libraries, and quiet environments

Why Choose the FNIRSI IR40?

With its compact size, smart connectivity, and reliable accuracy, the FNIRSI IR40 is the perfect tool for quick, efficient, and professional-grade measurements-anytime, anywhere.

What's in the box
1 x Rangefinder
1 x Instructions