Introducing our revolutionary {ZM-900 QR Code Patrol System Dynamic Code for Patrol Cellphone Mobile Application}, designed and manufactured in our own state-of-the-art factory. This innovative product is the perfect solution for efficient patrol management. With its dynamic QR code scanning feature, security personnel can easily scan codes and receive real-time updates on their mobile devices. Our factory ensures top-notch quality, reliability, and functionality, making it the ideal choice for enhanced patrol system management.