Self leveling laser level 4V1H1D LS639

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Quick Details
Place of Origin:
Brand Name:
Model Number:
35*20*35cm, 100x216mm
Laser class:
Class II
Laser accuracy:
Self-leveling range:
Working temperature:
4*AA battery
Low voltage indication:
power indication LED flash
Laisai brand:
laser level
Packaging & Delivery
Packaging Details
1 pieces packed in 1 plastic carton, then packed in paper carton.
Picture Example:

  laisai brand self- leveling laser land leveling 4V1H1D




Company Information





Laisai brand introduction:

  • Established in 1994 -19 year history
  • Near 100 professional production lines
  • More than 100 patented technology
  • Provide perfect solution for construction and decoration measurement. 








Product Description



LS639 laser level (4V1H1D)

    Line laser series product features as the self-leveling, simple operation, economic and practical, is used widely for indoor decoration, door & window and cabinet fitting, suspended ceiling, picture hanging and other professional & DIY market field. It provides the horizontal and vertical reference. 


Features :

  •  Output 5 laser lines and one plumb down laser dot
  •  Form front and up 2 cross laser lines
  •  Compatible both indoor and outdoor application, switchable between the  continuous laser and pulse laser.
  •  Self-leveling, warning when beyond the self-leveling range
  •  Able to shield alarming function and use for tilt purpose.
  • The instrument is 360 degree rotatable


  •   Laser wavelength: 635nm
  •   Laser class: Class II
  •   Accuracy: ±1mm/5m
  •   Auto-leveling range: ±3°
  •   Working temperature: -10°C~+45°C
  •   Power: Ni-MH rechargeable battery or 4*AA battery
  •   Low voltage indication: power indication LED flash
  •   Size: Φ100×216mm
  •   Weight: 1.22Kg

 Basic kit:

LS639 main unit,

LS306 glass,

4*AA battery,

Hard case


Warranty :

We give 12 month warranty from the date of purchase .

But we will make strictly inspection and test before send out.

Who we are ?

With more than 8 years' experience in geodetic surveying and cadastration surveying, we are a professional and leading enterprise in the surveying industry in Mainland China. We specialize in the R&D and manufacturing and sales of all kinds of surveying products, including total station, electronic theodolite, electronic distance meter, automatic level, laser level, reflector prism, surveying accessory, GPS receiver, mapping software, etc.

We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!