
First Alert BRK Hardwired (with Battery Backup) Ionization Interconnected Combination Smoke and Carbon Monoxide Detector
4.5
64 Questions
Read All Questions & AnswersVoltage?
4
Typo ~ 120VAC
Was this Answer Helpful ?what do you want to know? Its 120 volts!
Was this Answer Helpful ?Yup. Standard 120VAC.
Was this Answer Helpful ?These are 120v a/c smoke detectors with a 9v battery back-up.
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