• Loop Powered• Can be used as a common base of detector or stand alone with a cover
• Two addresses for (one for Alert and one for Evacuate tones)• Electronically addressed
• Operating Voltage: 24VDC Loop• Operating Current: Standby Current≤ 1mA Alarm Current≤ 7mA• Alarm Volume (SPL): 89dB @1 Meter
• Operating Environment: Temperature: -10℃ ~+50℃ Relative Humidity: 95%, non condensing• Dimension: Diameter: 10cm, Height: 3.5cm(without cover), 4.5cm (with cover)