Digital Siren System - Out-door typed with natural cooling - CPU processing speed up-graded and Memory expanded - Digital Amplifier for less dimension and higher efficiency - Un-manned automatic
warning - Mobile phone application & Remote control through SMS - Suitable for Administrative message delivery at normal times - Warning and Broadcasting through PSTN - Remote Amplifier Level
setting - Stored Message broadcasting - False Alarm protection circuit with automatic reset - Activation report and Event Logging - Remote Program downloading - Battery Shutdown to prevent full
discharge - AC only operation available without Battery