Type : Fixed focal. Focal Length Options : 2.8mm or 3.6mm. Minimum Illumination : 0.004 lux (Color, 30 IRE), 0.0004 lux (B/W, 30 IRE), 0 lux with illuminator on. Active Deterrence : Built-in sound and light alarm (red and blue lights) act as deterrents when the system detects suspicious activity, improving security at key points.
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