SITERWELL Smoke CO Detector Combo, Hardwired w/ Battery Backup & Voice Alert

SITERWELL Smoke CO Detector Combo, Hardwired w/ Battery Backup & Voice Alert (SJ28)Item is New in Open Box. Has been removed from original packaging and handled for inspection - Please anticipate signs of handling. Outer packaging may have cosmetic imperfections/damage - does not affect the item itself. Product may not ship in original packaging. Includes all items seen in pictures ONLY. 2-in-1 smoke and carbon monoxide detector with voice alerts for clear hazard ID Hardwired installation with 2 AA battery backup ensures safety during power outages Interconnect up to 12 alarms—when one triggers, all sound together Loud 85dB alarm plus voice message alerts you to smoke or CO presence Self-check function automatically monitors unit health and alerts if faulty Letters and Numbers in ( ) is the items location and is for our reference ONLY.