At OHWOAI Surveillance, we understand the importance of maintaining clear and reliable surveillance footage. Fog or frost formation can hinder the visibility of your security cameras, affecting their monitoring effectiveness. In this article, we will explore methods to address fogging issues, both internally and externally, while incorporating relevant keywords to enhance search engine optimization. Internal Fogging: Fog or frost forms when the saturated water vapor in the air condenses due to cold temperatures. Infrared cameras, especially indoor ones, are susceptible to fog or frost on the protective cover's viewing window, obstructing the camera's view and compromising...

Video Signal Standards: Surveillance cameras operate on various video signal standards, including PAL, NTSC, and SECAM. These standards play a crucial role in ensuring compatibility and optimal performance. Our OHWOAI Surveillance brand offers a wide range of high-quality surveillance cameras, including IP cameras and PoE cameras. Our PoE NVR (Power over Ethernet Network Video Recorder) systems provide efficient and convenient solutions for home security. For those seeking a reliable and secure camera system for their homes, our hardwired PoE cameras offer enhanced protection and peace of mind. Our outdoor cameras are specifically designed to withstand various...

At OHWOAI Surveillance, we recognize the significance of choosing the perfect focal length for your surveillance camera requirements. The focal length, measured from the optical center of the lens to the CCD/CMOS sensor in the camera, plays a crucial role in determining the image size, field of view, and depth of field. Field of View and Depth of Field The field of view refers to the maximum range of observation achievable through the lens, formed by the two edges of the lens capturing the target object. On the other hand, the depth of field represents the...