Innolink Hardwired Interconnected Smoke and Carbon Monoxide Detector with lithium Battery,Smoke, Co Combo Alarm with Voice Alert

This Combination Smoke and CO alarm, CO function is single-station only, and smoke function is multi-station when interconnected. This Combination Smoke and Carbon Monoxide Alarm is powered by 120-V AC with non-replaceable internal lithium battery back-up, which can be hardwired. This Combination Smoke and Carbon Monoxide detector also contains a voice message system and SMART SILENT Control to temporarily silence nuisance alarms.

• Hardwired Interconnection: Up to 18 Detectors
• 10 years battery back up
• Unique voice speaker distinguish between CO warning, fire alarm