The UMEI GT8100 Guard ID Key registers individual security officers into your digital watchman system. Security guards carry this lightweight key chip alongside their patrol equipment. At the start of a shift, the guard touches this key to the master recorder wand. The system immediately assigns all subsequent checkpoint logs to that specific officer. This tracking method stops guards from swapping devices or falsifying attendance logs. The heavy-duty housing protects the internal electronic chip from drops, moisture, and daily wear on site. It requires zero battery power to function and works instantly upon contact.