SITERWELL Hardwired Interconnected Smoke Detector Carbon Monoxide Detector Combo

SITERWELL Hardwired Interconnected Smoke Detector Carbon Monoxide Detector Combo (SJ1)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. Actual item pictured. WIRED OR WIRELESS CONNECTION - This smoke and carbon monoxide detector can be hardwired or wirelessly connected to up to 12, so when one alarm is triggered, they all sound and notify everyone of the emergency. HARDWIRED AND 2 AA BATTERY BACKUP INSTALLED - The combination of smoke and carbon monoxide detectors can be connected for use in addition to the 2 AA battery backup. When the power goes out in your house, the detector will still keep you safe. 2 IN 1 PROTECTION WITH UNIQUE VOICE ALARM - This combination smoke and fog detector with dual sensors detects smoke and carbon monoxide hazards in a single unit, providing an audible warning in excess of 85 decibels. In addition, the unique voice alert lets you quickly understand whether smoke or carbon monoxide is present, allowing you to avoid scenarios in a more organized manner. Letters and Numbers in ( ) is the items location and is for our reference ONLY.