Shenzhen Kaiweishi tech Co., Ltd is a leading professional high-tech enterprise in China, we engaged in research, produce, and sell CCTV system products. We have the best engineers in this industry to design and research products.Main products including:1. Analog camera, analog DVR2. Analog fisheye camera(130degree,180degree and 360degree), SDI fisheye camera (130degree,180degree and 360degree), AHD fisheye camera(130degree,180degree and 360degree)IP fisheye camera(130degree,180degree and 360degree), panoramic camera with panoramic software.3. Waterproof IR night vision camera, AHD CAMERA and DVR.4. IP Camera and some related IP products,5. And other high technology products that are leading technologies in the industry.