Ptz Security Cameras

More Reliable Security Secure Eye Cctv Cameras
More Reliable Security Secure Eye Cctv Cameras
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4CH Home Security System DVR KITS with 2pcs  Weatherproof cameras 2pcs Dome cameras S-7
4CH Home Security System DVR KITS with 2pcs Weatherproof cameras 2pcs Dome cameras S-7
Ref Price: $138.00 / pc
Min Order Qty: 5 Pcs pc
Supply Capability: 20000 Pcs Per Month pc/month
4CH Home Security System DVR KITS with  2pcs Weatherproof cameras 2pcs Dome cameras S-10
4CH Home Security System DVR KITS with 2pcs Weatherproof cameras 2pcs Dome cameras S-10
Ref Price: $161.00 / pc
Min Order Qty: 5 Pcs pc
Supply Capability: 20000 Pcs Per Month pc/month
4CH Home Security System DVR KITS with 2pcs Weatherproof cameras 2pcs Dome cameras S-13
4CH Home Security System DVR KITS with 2pcs Weatherproof cameras 2pcs Dome cameras S-13
Ref Price: $161.00 / pc
Min Order Qty: 5 Pcs pc
Supply Capability: 20000 Pcs Per Month pc/month
4CH Home Security System DVR KITS with 4pcs Weatherproof cameras S-5
4CH Home Security System DVR KITS with 4pcs Weatherproof cameras S-5
Ref Price: $144.90 / pc
Min Order Qty: 5 Pcs pc
Supply Capability: 20000 Pcs Per Month pc/month
8CH Home Security System DVR KITS with 8pcs IR Dome Cameras S-15
8CH Home Security System DVR KITS with 8pcs IR Dome Cameras S-15
Ref Price: $253.00 / pc
Min Order Qty: 5 Pcs pc
Supply Capability: 20000 Pcs Per Month pc/month
4CH Home Security System DVR KITS with 4pcs Weatherproof cameras S-8
4CH Home Security System DVR KITS with 4pcs Weatherproof cameras S-8
Ref Price: $167.90 / pc
Min Order Qty: 5 Pcs pc
Supply Capability: 20000 Pcs Per Month pc/month
4CH Home Security System DVR KITS with 4pcs  Weatherproof cameras S-11
4CH Home Security System DVR KITS with 4pcs Weatherproof cameras S-11
Ref Price: $167.90 / pc
Min Order Qty: 5 Pcs pc
Supply Capability: 20000 Pcs Per Month pc/month
8CH Home Security System DVR KITS with 4pcs Bullet   IR Dome Cameras S-15
8CH Home Security System DVR KITS with 4pcs Bullet IR Dome Cameras S-15
Ref Price: $264.50 / pc
Min Order Qty: 5 Pcs pc
Supply Capability: 20000 Pcs Per Month pc/month
4CH Home Security System DVR KITS with 4pcs  Dome Cameras S-6
4CH Home Security System DVR KITS with 4pcs Dome Cameras S-6
Ref Price: $132.25 / pc
Min Order Qty: 5 Pcs pc
Supply Capability: 20000 Pcs Per Month pc/month
8CH Home Security System DVR KITS with 8pcs  Weatherproof cameras S-14
8CH Home Security System DVR KITS with 8pcs Weatherproof cameras S-14
Ref Price: $276.00 / pc
Min Order Qty: 5 Pcs pc
Supply Capability: 20000 Pcs Per Month pc/month
4CH Home Security System DVR KITS with 4pcs Dome Cameras S-12
4CH Home Security System DVR KITS with 4pcs Dome Cameras S-12
Ref Price: $155.25 / pc
Min Order Qty: 5 Pcs pc
Supply Capability: 20000 Pcs Per Month pc/month
4CH Home Security System DVR KITS with 4pcs  Dome Cameras S-9
4CH Home Security System DVR KITS with 4pcs Dome Cameras S-9
Ref Price: $155.25 / pc
Min Order Qty: 5 Pcs pc
Supply Capability: 20000 Pcs Per Month pc/month
DOME CAMERA,PTZ-100H7CV
DOME CAMERA,PTZ-100H7CV
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Min Order Qty: 100pcs pc
Supply Capability: 1000pcs per month pc/month
Dome Camera,PTZ-100H7B
Dome Camera,PTZ-100H7B
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Min Order Qty: 100pcs pc
Supply Capability: 1000pcs per month pc/month
PTZ, DOME Camera-100M7A670
PTZ, DOME Camera-100M7A670
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Min Order Qty: 100pcs pc
Supply Capability: 1000pcs per month pc/month
9.7&Quot; Ips Mtk8382 Quad Core Tablet 2Mp Dual Cameras Tablet Pc Android4.2
9.7&Quot; Ips Mtk8382 Quad Core Tablet 2Mp Dual Cameras Tablet Pc Android4.2
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Min Order Qty: 1 Piece pc
Supply Capability: 6000 Pieces per Month pc/month
Security Solar Step Light Model  06 Series
Security Solar Step Light Model 06 Series
Ref Price: $48.00 / pc
Min Order Qty: 100 pc
Supply Capability: 30000 pc/month
Best Sell Security Door
Best Sell Security Door
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Min Order Qty: 100 Pieces pc
Supply Capability: 2000 Pieces per Day pc/month
Security Cable
Security Cable
Ref Price: $1.03 - 10.30 / m
Min Order Qty: 10000 Meters m
Supply Capability: 1000000 Meter/Meters per Day m/month
Iron steel security metal door
Iron steel security metal door
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Min Order Qty: -
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High Quality Security Doors Manufactory
High Quality Security Doors Manufactory
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Min Order Qty: 100 pc
Supply Capability: 20000 pc/month
Wholesale security door price,low price security door,cheap security door
Wholesale security door price,low price security door,cheap security door
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Min Order Qty: 1000 set
Supply Capability: 20000 set/month
China manufacturer steel security door
China manufacturer steel security door
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Min Order Qty: 100 pc
Supply Capability: 30000 pc/month
Intelligent IR PTZ Camera for Car with OSRAM Chips
PowerShot G1 X Mark II-High-End, Advanced Digital Cameras
PowerShot G1 X Mark II-High-End, Advanced Digital Cameras
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Min Order Qty: 10 pc
Supply Capability: 2000 pc/month
Security Cable Security Cable Security Cable
Security Cable Security Cable Security Cable
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Min Order Qty: 100 m
Supply Capability: 100000 m/month
PowerShot S200-High-End, Advanced Digital Cameras
PowerShot S200-High-End, Advanced Digital Cameras
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Min Order Qty: 10 pc
Supply Capability: 2000 pc/month
H.264 Embedded LINUX Operating System 960H 4CH DVR With VGA,PTZ,3G,WIFI, USB
White Security Garden PVC Fence for Europe
White Security Garden PVC Fence for Europe
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Min Order Qty: 1000 pc
Supply Capability: 100000 pc/month
H.264 Embedded LINUX Operating System 960H 8 CH D1 DVR With VGA,PTZ,3G,WIFI, USB
The Steel Security Door With Security Lock Bank Vault Door
The Steel Security Door With Security Lock Bank Vault Door
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Min Order Qty: 1 pc
Supply Capability: 1500 pc/month
stainless steel security door
stainless steel security door
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Security Door Joining together door
Security Door Joining together door
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Security Lock PadLock
Security Lock PadLock
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Min Order Qty: 200 Pieces pc
Supply Capability: 200,000 Pieces per Month pc/month
cheapest residential Israel security door
cheapest residential Israel security door
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FAQ

The working principle of the camera with infrared light
Infrared emission diode (IR LED) infrared lamp principle is: by the infrared light-emitting diode matrix composed of light. Infrared emission diode from the infrared radiation efficiency of high materials (commonly used gallium arsenide GaAs) made PN junction, plus forward bias voltage to the PN junction injection current excitation infrared light. Spectral power distribution for the central wavelength of 830 ~ 950nm, half-peak bandwidth of about 40nm or so, it is narrowband distribution, for ordinary CCD black and white camera can feel the range. The emission power of the infrared light emitting diode is expressed by the irradiance μW / m2. The maximum radiation intensity of the infrared diode is generally in front of the optical axis and decreases with the increase of the angle between the radiation direction and the optical axis. The radiation intensity is 50% of the maximum value of the angle is called the half intensity radiation angle, that is, half power angle. The radiation angle of the infrared light emitting diodes of different packaging process models is different.s
What's the number of lines that a surveillance camera needs to use?
3, the control line (it is the PTZ, the spherical camera control line, with a two-core dvvr line)s
Monitor the camera if the power supply to him a large current, pay attention to the current is not the voltage, the voltage is 12V, then what will happen to the camera?
The current is very rare to see this situation, but the current is low, then I am sure that the monitoring head will appear like a pattern like interferences
How is the general surveillance camera connected to the computer?
(3) the camera's signal line connected to the video capture card, thus, completed the video capture card hardware installation. In addition, the need for software installation. Install the video capture card using the driver, MPEG encoder, *** and so on.s
Monitor the camera's profit big
Camera technology in this country has been very mature! Profit margins and before is immeasurably! Now you can do this i do! Products are almost! Business only to reduce the price to win the market! Now a lot of camera manufacturers struggling, there is no sales they simply can not live! The price is also very transparent! Chips are the same, why are you expensive for me? Of course, except for the relationship! So now this line is not very good to do! If there is a relationship, get a brand! This piece can still be considered!s
How to clean the surveillance camera
With a special degreasing clean cotton dipped in distilled water from the middle of the lens spiral to wipe out. Be patient and wipe a few times until the dust is wiped off;s
How to monitor the camera with the venue, what type of camera installed in what kind of site, the camera installed how much the number of lenses should be equipped with light board.
Production of the camera all know, whether it is LED light board or array light board, as long as the infrared light board are divided degrees. Commonly common are 30 °, 45 °, 60 ° and 90 °. Lens and light board with 30 ° with 12mm and 16mm, 45 ° with 8mm, 60 ° with 6mm, 90 ° with 3.6mm or 4mm.s
Monitor the difference between the camera 720p and 1200 lines
P and line, are the unit of image clarity, but P is used in the digital system, the Chinese full name for the pixel, and the line is used in the simulation system, the Chinese full name for the TV line.s

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