CM BU20 LawMate Low Light Hidden Button Camera 0.015 LUX
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CM BU20 LawMate Low Light Hidden Button Camera 0.015 LUX

CM BU20U. LawMate's new very low light (0.015 lux) analog camera with built-in microphone compatible with the PV-500ECO2 and PV-1000EVO3 DVRs. It has a resolution of 520TVL and an angle of 66º.


Factory Direct- Official Distributor

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€123.93 Tax excl.
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CM BU20 LawMate Low Light Hidden Button Camera 0.015 LUX
CM BU20 LawMate Low Light Hidden Button Camera 0.015 LUX

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Do you need to buy a spy camera to record at night in very low light environments?

With the new CM BU20 button camera from LawMate you will be able to record videos with excellent quality and in very low light. You only need a brightness of 0.015 lux. The CM BU20 camera is compatible with the new LawMate PV1000 EVO3 WIFI digital recorder and the LawMate PV-500ECO3.

This new generation not only includes the button lens and screws with different sizes, but also includes an accessory so you can create your own customizations!

What is the difference between the CM-BU20 analog button camera and other button cameras?

LawMate is the brand of reference for all professionals who need to record videos for court proceedings. The differences between the CM BU20 and other button cameras of Chinese origin lie mainly in the quality of the components. This device, manufactured in Taiwan, uses the latest technology on the market. All its components have been perfectly chosen so that you get a reliable and robust equipment. If you want to record quality images, this is the device for you.

Where to buy the LawMate CM BU20 camera?

ESPIAMOS is the official distributor of the LawMate brand in Spain. Get the best price buying directly from the factory, without intermediaries.

As official distributors of the LawMate brand we offer a 2 year warranty and official technical support. If the product does not convince you, you will have 14 days to return it. Come to any of our physical stores to try it. You will be surprised by the amount of spy products we have for you.

Main features of the LawMate CM BU20 camera:

  • Lens: 1/4 inch CMOS (4:3).
  • Effective picture elements: NTSC: 720H x 480V, PAL:720H x 576V (H*V)
  • Frequency: NTSC: 15.734KHz(H), 59.94Hz(V); PAL: 15.625KHz(H), 50Hz(V)
  • Horizontal resolution: 520 TV lines
  • Minimum illumination: 0.015 Lux @ F1.2
  • Viewing angle 66°.
  • Signal-to-Noise Ratio: More than 45 dB
  • Electronic auto shutter: NTSC:1/60s~1/100.000s, PAL:1/50s~1/110.000s
  • Gamma characteristic: 0.45γ
  • Gain control: Automatic
  • White Balance_ Automatic (2300°K~8600°K)
  • Sync System: Negative sync. Internal
  • Video Output: 1 Vp-p Composite Video / 75 Ohms.
  • Power Supply: DC 5V / 150 mA
  • Operating Temp.: -10℃ to 50℃ (14℉ to 122℉)
  • Dimensions: 24.8 mm (L) *24.8 mm(W) *17 mm(H)

Data sheet
Video Resolution Maximum
1200 TVL
Angle of view
Photo Resolution
1920 x 1080
Minimum illumination
0.08 Lux
30 x 30 x 20 mm
Working temperature
-10°C - 60°C
Working humidity
20 - 90%
DC 3.3 V +/- 5%
Pixel Size
2.8 um(H) x 2.8 um(V)
Video system
A. G. C.
Default value
Audio output
2 Vp-p (MAX) 10 KHz ohms Impedance
S/N Ratio
36dB MAX
Built-In Microphone
Storage temperature
-30°C - 80°C
Depth of field
50cm approx.
Diameter of lens
4.3 mm

Who are LawMate International?

Experts in recording, wireless transceiver systems and solutions. LawMate International is a professional manufacturer and service provider for audio and video surveillance systems, including portable DVRs, covert cameras, transmitters and receivers. With over 25 years of history, LawMate has developed from a small enterprise into a global business. LawMate can expertly provide integrated recording, wireless transceiver systems and solutions.

Why choose LawMate products?

There are basically three grades of various products like this in the market place today. The first grade of products is basically very low end. They really belong on toy shelves but are often sold as professional spy gear preying on those who do not understand the difference. The second grade of products is known as consumer grade products. These products are often masked as professional grade equipment, but are basically not suitable for continued long term and intensive surveillance use. The third grade is referred to as Law Enforcement grade equipment. Therein lies the complete concept of LawMate brand products. To bring a rugged professional grade product into the market place and produce products for the true surveillance and security professional, with strict quality and marketing control.