... 3,Weatherproof 4,3 kilometers walktalk Building/Hospital Long range real time security monitoring system HUA-101 G is a new generation ... , saving costs. 4. Patrol location: Patrolman’s position can be real-time located in the software by the checkpoint ID. 5. Low ... power consumption, battery lasts for more than one year, real-time display of power data, prompt alarm under low power.6 ...