1. 2 loops addressable fire alarm control panel, support up to 508 devices. 2.Built-in 30 LED zones indicator, indicate fire and fault status 3. LCD screen provide real time system & devices information,easy operation and maintainance 4. Wall-mounted 5. Suitable for large projects 6. Cabinet Size(H x Wx D mm):460 mmx 440 mmx 150 mmOptional Accessorics:TX7940 Micro Printer