Stacking Beacon Dimensions L x W x H: 112 x 125 x 485 mm Frequency: 2.4 kHz Operating temperature: -30...+50 °C Volume: 85...85 dB Series: CleanSIGN Bulb: RGB-LED Cap: Polyamide Case colour: Black Colour: Red / Yellow / Green / Clear / Blue / Violet / Turquoise Housing: Polyamide Mounting: Wall Mounting Protection rating: IP67 / IP69K Series: CleanSIGN Service life: 5000 h Termination: Screw Terminal Tone type: Continuous Type of signal: EVS / Continuous / Blinking Current: 270 mA Operating voltage: 24 VDC Power: 6.48 W