Omega OMA-VM500-6 Series is a versatile device that provides comprehensive monitoring and alerting capabilities for various applications. It features eight inputs that can be configured as normally open or closed, allowing you to monitor a wide range of sensors and signals. With built-in auto-dialer functionality, the OMA-VM500-6 Series can automatically call up to four pre-programmed phone numbers in case of an alarm condition. Each input can be assigned a unique time delay and a customizable voice message, providing detailed information about the alarm.