Evacuator Plus Back-Up Alarms, Dual-Function Feature Allows Allarm To Produce Two Distinctly Different Tones, Each

Details:

12-48Vdc and includes universal mounting brackettow distinct tones by reversing the polarity; normal polarity produces pulse tone and reversed polarity produces constant-on tone210331sound level: 97dbamp draw: 0.03 At 12vdcvoltage: 9-48vdcsound frequency: 2.4Khzl x w x h: 2.9 X 2.9 X 2.4 In. (73 X 73 x 62mm)210333sound level: 107dbamp draw: 0.17 At 12vdcvoltage: 9-48vdcsound frequency: 2.7Khzl x w x h: 2.9 X 2.9 X 2.4 In. (73 X 73 x 62mm)