Harmony Harmony XVC6 LED Beacon Tower with Buzzer, 5 Light Elements, Red/Green/Orange/Blue/Clear, 24 V ac/dc. Light Effect: Flashing, Steady. Multifunction: Yes. Decibels at 1 Metre: 85dB. Mounting Style: Surface Mount. Height: 280.8mm. Base Diameter: 60mm. Connection Cable Length: 850mm. Connection Type: Cable. MPN: XVC6B55SK, Schneider Electric