Founded in 1998, Shenzhen Zhian Intrusion Equipment Co., Ltd is a high-tech enterprise specialized in manufacturing and exporting top-quality intrusion alarm products and systems. Our products include outdoor perimeter microwave barriers , dual-microwave motion sensors, hidden install motion sensors, 15m anti-mask motion sensors, displacement identification motion sensors etc. We have decades of experience in design and production and we rank as one of the best in China's security industry. We keep stride and develop multiple leading technologies in the global security industry.