... consumption 101E works with RFID tags; with a simple non-contact swipe, the reader can read information from the tags, ... demonstrate the guards' patrolling activities.System components:1,RFID reader2,Communication USB3,RFID checkpoint /patrolman4,Software5,Leather holster1. Alloy material2. ... , long life.6. Light and vibrate to show success read,7. Low power consumption. standby for two years.If ...