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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: Lanhai
  • Model Number: LH20-10
  • black: black

Packaging & Delivery

Packaging Details normal package
Product Description


This Laser Speed Gun can used for Car Mounting and Handheld and also fixed with tripold


Performance :
Optimum Focus Distance 70 meters (230 feet) 
Lens Operating Range Hand-held 15 - 80 meters (50 - 262 feet)
Tripod mounted 15 - 90 meters (50 - 295 feet)
Speed Accuracy± 2 km/h 
± 1 mph 
Speed Range 0 km/h to 320 km/h approaching and departing 
0 mph to 200 mph approaching and departing 
Distance Accuracy±30 cm absolute accuracy 
± 12 inches absolute accuracy 
Display ResolutionSpeed1 km/h   1 mph
 Distance1 meter  1 foot
Minimum Measurement DistanceSpeed Mode10meters
 Weather Mode 60 meters (Automatic software recognition)
Maximum Measurement Distancein speed mode can reach 600-700meters. in distance only mode can reach 1800meters
Measurement Time0.33-0.67 second 
Maximum Laser Samplingup to 3 measurements per second 
Units of Measure(factory configured)Speedkilometers per hour
miles per hour
Laser Power  
Laser Wavelength 905 nanometers nominal 
Beam Divergence 2.5 milliradians nominal 
Eye SafetyClass 1  
Physical Construction :
Size197*124*316 mm 
Environment IP65 
Water and Dust Resistant 
Temperature RangeOperating -10°C to +60° C (14°F to 140°F)
Charging 0°C to +45°C (32°F to +113°F)
Storage -20° C to +60°C (-4°F to 140°F)
Laser Core 
System Memory  
Capture Data StorageRemovable SD Card16  GB and greater
SD file system formatsMS-DOS (FAT16, FAT32) 
Linux (EXT2, EXT3) 
Display4.3 inch (10.9 cm), 480x272 pixel, color, 18 bits per pixel (bpp), touch sensitive
Camera Sensor 2.0 MPixel (1600x1200) 
Camera Lens 75 mm, manual focus and iris 
GPS Receiver Channels:20
Max Update Rate 1 Hz
Max Altitude18,000 meters (59,000 feet)
Maximum Velocity515 m/sec (1689 ft/sec)
SensitivityAcquisition:-142 dBm
 Tracking: -159 dBm
Acquisition TimesHot Start:1S
Cold Start < 35 s
Re-acquisition < 1.5 s
Accuracy Horizontal Position
Average 2.2 meters (7.2 feet)
Maximum10 meters (32.8 feet), autonomous
 5 meters (16.4 feet), SBAS corrected
Vertical Position 
Average 0 meters (0 feet)
Maximum 15 meters (49.2 feet)
Horizontal Velocity 0.1 m/s (0.3 ft/s)
Time Accuracy Synchronized with GPS:1uS
Real Time Clock CR3032 backup battery20 PPM
 3 years without main battery pack
Input/Output (I/O) RS232, serial communications port 
USB 2.0, image data transfer 
Touch panel input
6 button inputs (including TRIGGER) 
Battery Pack7.4 v dc, Lithium-ion Polymer rechargeable battery pack, short circuit and overcharge protected, providing up to 6-8 hours of cordless operation
Battery ChargerMain Charger:110 v ac to 240 v ac 50/60 Hz input
Automobile Charger  
Power ConsumptionStandby: 
Laser Firing: 
Operating system Linux based, with custom device drivers 
Anti-Jam Automatic laser jammer avoidance 
Video SizeStandard Format320x240 pixels
Extended Format640x480 pixels
Video Modes Selectable video capture frame rate before the measurement and based on motion clip:640*480/13FPS
Track Storage Selectable frame storage after the measurement and based on the current Frame Rate
Approximately 1/3 of the Frame Rate 
Same as the Frame Rate
Approximately 1/6 of the Frame Rate 
Still Image Sizes1600x1200 pixels 
Maximum Record Size120 seconds (2 minutes) or 8 MB which ever occurs first 
Data EncryptionAES-128 
United States Federal Information Processing Standards, Advanced Encryption Standard -    128 bit.
Measure Mode:Continuous,Locking,Automatic,Video Tracking,Single Distance Measure,Gate Mode
Voice Prompt:Speed together with Voice Synchronization 
Warranty:12-24 months 


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Company Information

Jinhua Lanhai Photoelectricity Technology Co.,Ltd was founded in 2006, located in Jinhua High-tech district,Our company is a high-tech enterpises committed to laser electronic R&D,Production and sales. We got ourself production shops,R&D ,office building. Total area 6000 square meters. And more than 10million RMB fixed assets,and our workshop got 600square meters purify clean rooms in 100000 class standard. Total empolyee 50 peoples. 32% of them mainly senior engineers,doctors,masters,etc. Also including fixed and contract-related domestic reseach institutes and universities. Currently our company has been set up a information optic research and development center with zhejiang Normal university and also got a information sharing and technology cooperation with electronic science university. Recent we expected to set up a R&D center for laser technology with some related province university and institute.by the above platform. We stick belive in the near future our company will make more big improvment related the reseach and application of laser technologies.






 1. What is your main products?

Laser Golf Rangefinders,Laser Range and Laser Speed Gun ,Laser Lidar and Laser senors  etcs.

2.Can i order a sample first to test?

Yes,of course.

3.Can i do our own logo?

Yes,we can offer silkscreen and 3D logo.

4.Can i order different colors?

Yes,we offer several colors and appearance to your choice.

You can customed your own color even we do not produce now.

5.What is your delivery time for sample?

It usually within 1-4 workingdays.

6.How long is the warrenty?

The warrenty is usually within 12months.

7.What is your shipping method?

We usually use DHL,it just need take 3-5 workingdays from China to your country.

EMS for several county,it will take 5-7 workingdays.

8.What is your payment?

We accept T/T,L/C,PAYPAL and other ways.


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