タイトルまたは説明

Illuminating distace **0—**0m Applying in the monitoring of traffic, river, oil depot. The unique teperature control technology Power: lower than 5W laser illuminator used in CCTV surveillance system support for nighttime operations，providing supplemental infrared illuminator of appropriate wavelength not only eliminates the variability of ambient light but also allows the observer to illuminate only specific areas of interest while eliminating shadows and enhancing image contrast 。 In this method, a device that is sensitive to invisible infrared radiation is used in conjunction with an infrared illuminator. xian oe photonics .CO.LTD