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4000m LCD Long Distance Rangefinder

Item No.: RFM19N
* Powerful laser module that range up to 4000 meters
* Palm size compact design and full function for field surveillance
* Standard tripod threads allow mounting on tripod for stability
* Power by 18650 battery for extended servie on field
* Able to connect to computer to transmit measurement data through USB cable
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ITEM# RFM19N20 RFM19N25 RFM19N30 RFM19N40
Optical System 7x24
Display Type LCD
Measurement Distance Range 10-2000M 2500m 3000m 4000m
Ranging Accuracy ±1m
Distance Unit Yard / Meter
Angle Range ±90°
Angle Deviation ±0.25°
Horizontal Distance YES
Height YES
Continuous Measurement YES
Mode Horizontal Distance Mode YES
Vertical Height Mode YES
Height Of Two Points Mode YES
Optical Specifications Field of Fiew 6.6°
Magnification 7x
Objective Diameter 24mm
Exit Pupil Diameter 3.4mm
Eye Relief 15.5mm
Wave Length 905nm
Ingress Protection Level IP54
Battery Type Build-in Rechargeable Battery(2000mAh)
Size 101x99x46 mm
Weight (g) 268g


  • Color

    Matte black by default
    Other colors can be customized



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