E-LTA-RYG-V2: ENVIROMUX LED light-tower 

red, yellow, green, with buzzer-alarm 

LED light tower with flashing red, yellow, green lenses provides visual signal for normal, warning, and critical alert status. ENVIROMUX LED light-tower is ideal for mounting on top of server cabinets, or use in manufacturing plants, assembly lines, call stations, broadcast studios, and factories.

Integrated buzzer alarm emits a loud continuous tone to alert personnel.

E-LTA-RYG-V2 has a 7-wire interface. It interfaces with E-2D/5D/16D enterprise environment monitoring systems.
For E-16D, directly connect to the output relays.
For E-2D and E-5D, requires E-DI16DOR16-V2 digital input/output expander.