By Raymond Shadman, President [email protected] 310-370-9500 x1 The Top Reasons to Buy Dahua Security Cameras, DVRs, NVRs in 2020 5-year warranty (when you buy from Custom Video Security or any other 4-star authorized dealer) on cameras, recorders, decoders, accessories, and transmission products. Hard Drives 3 years. Monitors 1 year. 1-year advance replacement warranty when you buy from Custom Video Security. Direct tech support from Dahua to low-voltage installers and to the end-user. Very wide product line including: ePoE (converts coax lines to use IP cameras at the lowest cost in the industry; or triples the distance of IP without any need for repeaters/extenders). Starlight cameras see color at nighttime with minimal ambient lighting. Video: https://youtu.be/NaFHmwXI6Zk?t=5. Identify skin color, hair color, clothing color, vehicle color, etc. So much more effective than traditional IR cameras. The levels of Dahua’s starlight are attached. I recommend Starlight+ if you may require viewing in very dark or pitch-black scenes. Or Night Color if you don’t need or don’t want infrared. Night Color cameras have no infrared, which means you can’t use them in pitch-black darkness, but they see at nighttime with minimal ambient lighting like it’s daytime. They have the highest nighttime performance […]
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Our Panasonic-sensor EA-Series auto-iris varifocal-lens HD-SDI and HD-TVI IR bullet cameras now offer ALC. These HD-SDI cameras also offer True WDR and a superior image quality, with infrared distances of up to 300 feet using new matrix IR technology. ALC (Auto Light Control) Automatic Light Control (ALC) indicates the image sensor’s ability to automatically adjust in diverse lighting conditions to yield the most vivid video image possible. It allows the auto-iris circuitry to either take bright spots more into consideration (peak), bringing out detail in bright areas, or less into consideration (average) bringing out detail in shadows. For automatic brightness control in the ALC function, an auto iris lens with a voltage controlled aperture (DC) is necessary. ELC (Electronic Light Control) ELC compensates for moderate light changes in indoor applications without the use of expensive auto iris lenses. A fixed-iris lens or manual-iris lens can be used. ELC allows the changing of shutter speeds up to 1/100,000 second. This allows for sharper images, even in limited lighting conditions.
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