The Algo 1128 Analog Strobe Light that includes a Clear, Amber, Red, and Blue lens is a commercial grade LED device designed for alerting and notification of telephone, emergency, safety and security events. Telephone ring ( FXS port or ATA) or dry contact (relay) activation make the Algo 1128 Strobe Light easy to integrate with any unified communication server, automation, or security system. A 24 VDC power supply is included. The strobe's flash intensity can be chosen to suit the application and environment. There are non-flashing patterns for passive, gentle notification, and aggressive patterns for maximum visibility in busy environments. 16 patterns/intensities are configurable for wall or ceiling mount.