Shenzhen Gentlen Technology Development Co., Limited, the video surveillance solution provider, is committed to provide customers with high-quality products. best service and quick response Founded in 2002, we have a professional R & D team of hardware and software, Focus on network cameras, Megapixel camera, NVR, video management platforms and other security products, such as the finance, public security, telecommunications, transport, justice, education, electricity, water and other ...