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Whelen 107db Electronic Back-Up Alarm A great 107db electronic back-up alarm from Whelen. This rugged alarm passed a one million cycle test and meets OSHA Bureau of Mines and State regulations. Decibel ratings for all alarms are +/-4dB (A) @ 4', as specified in SAE J994 (March, 1985) PIEZO BACK-UP ALARMS. The electronics are sealed in urethane, to resist tough environmental conditions. Operational temperature range from -22°F to +131°F. Specifications: 1 Year Whelen Warranty |
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