X-Sense SC06-W Smoke & CO Detector 3-Pack, Wireless Interconnect

X-Sense SC06-W Smoke & CO Detector 3-Pack, Wireless Interconnect (SJ462)Item has been used before - Will show signs of usage such as scuff marks, scratches, dirt, dust, etc. PLEASE VIEW ALL PICTURES. Item has been removed from original packaging and handled for inspection - Please anticipate signs of handling. Outer packaging will have cosmetic imperfections. Product may not ship in original packaging. Includes all item(s) seen in picture(s) ONLY. Type: 2-in-1 Smoke and Carbon Monoxide Detector Power Source: 10-Year Sealed Lithium Battery (CR123A, included) Interconnection: Wireless RF—when one alarm sounds, all linked alarms activate Alarm Type: Audible alert Sensor Type: Photoelectric (smoke) & Electrochemical (CO) Material: Heat-resistant PC plastic Color: White Shape: Circular Coverage Area: 215–430 sq. ft per unit Letters and Numbers in ( ) is the items location and is for our reference ONLY.