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There are four types of lenses for CCTV use: Fixed Aperture, Manual Iris, Auto Iris, and Zoom. If the area you wish to observe experiences infrequent changes in light, use a manual iris lens, which can be adjusted for light only by hand. If the area the Security Camera will be observing experiences frequent changes in light, use an auto-iris lens. These lenses adjust to light changes automatically. Auto-iris lenses come in Video or DC, and cameras generally support one format or the other. Be sure your lens matches the camera. To perform close-ups, get a zoom lens, manual and motorized zoom lenses are easily available from most retailers.

A security camera can come in many different styles including dome, bullet, infrared and c-mount. The security camera that will work best for your application will depend on several factors such as whether you will use the security cameras inside or out, during the day, nighttime, or both.

This indicates that the power adapter no longer supplies an adequate power.

Please replace the adapter with the same voltage/amp rating (12V 1.5Amp).
GadSpot will replace the power adapter within the standard warranty period.

Please contact our support staff for details.

Depending on where you live, your country may use any one of three video standards:

* NTSC (National Television Standard Committee), developed in the U.S. in 1953, is used in North America, most of South America and Japan, and it provides video resolution up to 525 lines.

* PAL (Phase Alternating Line), developed in Europe in the early 1960s, provides up to 625 lines of resolution, and it’s used in most other areas of the world.

* SECAM (Sequential Color Memory), which also provides up to 625 lines of resolution, is much less common but is used in France and parts of Eastern Europe and Africa. (PAL usually works for SECAM.)

NTSC and PAL are not compatible. To make sure you’re choosing the right CCTV, be sure you know which video standard your country uses before you make your purchasing decision.


For your reference, to find out what video standard is used in your country, go to: http://www.gadspot.com.tw/download/signal_format.pdf

Yes, demo link is available upon request. Please submit a demo link request to info@gadspot.com.

Here is the suggestion for the basic DVR system:

1. DVR (4, 8, 16 channel) example
2. Hard Drive (SATA Hard Drive) example
3. DVR Camera(s) example
4. BNC/Power Cable(s) example


You may also need one of the following items for video output in order to configure the DVR settings:

a. VGA Converter (D/V or BNC)
(If you connect the DVR to computer VGA monitor)

b. BNC/RCA-12ft cable
(If you connect the DVR to regular TV monitor which support RCA connection)

Note: DVR DOES NOT SUPPORT PLUG AND PLAY.

Please visit our download page (click here), or click the download button located on the right top corner on the website.

MPEG-4 is the next-generation, global multimedia standard, delivering professional-quality audio and video streams over a wide range of bandwidths, from cell phone to broadband and beyond.

Our orders are usually shipped same day or next business day.

You have the full control of the delivery time and methods by selecting one of the delivery options GadSpot provides.

Gadspot ships orders by Federal Express (FedEx) and United States Postal Services (USPS).
Some of the available delivery options are:

Fedex Overnight (1 business day)
Fedex 2nd Day Air (2 business days)
Fedex Express Saver (3 business days)
Fedex Ground (1 to 5 business days)

USPS Express (1 to 2 business days)
USPS Priority (1 to 3 business days)

For more information about our shipping policies, please click here.