Z-6600T Security Guard Patrol Read 125kHZ Checkpoints Security Recorder Guards Monitoring is a state-of-the-art product manufactured by our factory with utmost quality and precision. This security guard patrol device is designed to help monitor the movements of security guards in premises with high-security risk. The device reads 125 kHz checkpoints scattered across the premises and records the exact times when a security guard passes through these points. This system ensures that guards are performing their checks as scheduled. As a leading manufacturer of security solutions, our factory ensures excellent quality, reliability, and affordability of this product. Trust us to provide the best security solutions for your needs.