AC Plug-in Digital CO/Gas Alarm with Battery Backup

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AC Plug-in Digital CO/Gas Alarm with Battery Backup

Features include a 3-way mounting option: plug directly into AC receptacle, mount on a tabletop using supplied 8-ft. power cord, or wall-mount. Digital readout continuously displays carbon monoxide levels from 30-999 parts per million. The display reads "Gas" when explosive gas reaches dangerous level. The loud 85 dB alarm sounds when CO and/or explosive gas reaches dangerous levels. This unit has a permanent sensor that never needs replacement. Another feature is the peak-level memory which means the unit will recall the highest level of CO present since previous reset. 5-year limited warranty.