Is a biometric-based patrolling device designed to enhance security monitoring through advanced tracking and verification features. Equipped with a storage capacity of 60,000 records, it supports up to 200 fingerprint entries and 200 alarm clock groups. The device includes a 3.7V lithium rechargeable battery and operates in extreme temperatures ranging from -40°C to +85°C. Key features include a biometric fingerprint sensor, voice prompt, pedometer, flashlight, OLED display showing time and temperature, and compatibility with 123Khz cards. Its magnetic connection cable and USB 2.0 interface ensure easy data transfer without the need for drivers, making it a reliable and user-friendly tool for effective guard patrol management.