Streamline design: the main unit has an aluminum alloy shell, and the extension has a built-in speaker. This system has a simple connection and DIY operation.
HIGH QUALITY: This system has a high quality speaker and a high sensitivity microphone. Especially the metal tube microphone is a deal for the counter and the two-way communication between.
Good performance: The sound of this system is clear, and natural. There is only a key to control the volume.
Advanced Technology: For this system, we adopt the advanced microcomputer from USA
SPECIFIC INSTRUCTIONS: The indicator light shows the track's working status.
Simple Operation I: Easy for bi-directional communication without pressing a button.
Simple Operation II: This system has two knobs for adjusting the volume inward and outward. When the indicator light turns green, the intercom can start.
Simple Operation III: You can record audio through the record jack.
Best choice: It is suitable for bank, stock company, hospital, station where security glass is installed