MAGDUO Ceiling Sounder in Red Ceiling mount sounder Volume level adjustment Built-in End of Line function Device wiring base includedTechnical Specification:Dimensions: Diameter: 105mmDepth: 72mmTemperature Range: Operating Temperature: -10°C to +50°CVoltage Ranges: DC Output from Mains Powered Panel: 25.5 to 35V DCDC Output from Battery Powered Panel: 20 to 26V DCOperating Current (Typical): Quiescent: 92 uAEnd of line ON if applicable (in addition to Quiescent): 561 uAAlarm Sounding – Maximum Volume : 10 mAVolume Level: Alarm Sounding – Maximum Volume: 90+ dB (A) @ 1m anechoic (Dual Tone)Device Loading Units: Max Device Loading Units per Zone: 160 DLUSounder: 36.0 DLUIP Rating: IP 21CDimensions: