Description: Online system using proximity cards as Patrol Patrol card, the card reader as a patrol point, patrol members carry the cards at a pre-discharge good patrol frequency, time intervals, alignments to each patrol point inspection. Description: Patrol point to read information in real time to upload to the management center for analysis and processing. In the event of failure to press the line patrol phenomenon, real-time alarm system to achieve real-time management of security patrol patrol officers situation, increasing the security precautions. Application areas: community, military, prisons, museums and other places. CHD585D8M3 online system using proximity cards as Patrol Patrol card, the card reader as a patrol point, patrol members carry the cards at a pre-discharge good patrol frequency, time intervals, alignments to each patrol point inspection. Patrol point to read the relevant information in real time to upload to the management center for analysis and processing. In the event of failure to press the line patrol phenomenon, real-time alarm system to achieve real-time management of security patrol patrol officers situation, increasing the security precautions. Technical Specifications: Dimensions: 113mm (length) × 75mm (W) × 21mm (H) Working environment: temperature -10 ℃ ~ 55 ℃, humidity <98% RH Communication: Patrol host and PC using TCP / IP communications, Another point Patrol Patrol Reader RS485 communication between the host recognition time: ≤ 0.1S, who according to the specified time patrol patrol route, the system produces real-time alarm and records; application areas: community, military, prisons, museums, etc. places.