First Alert SCO500 Battery Powered Smoke CO Alarm with Wireless Interconnect

The SCO500 is a battery powered combination photoelectric smoke detector and carbon monoxide detector with wireless interconnect. Up to 18 SCO500 / SA500 / SA520 detectors can be linked wirelessly so when one goes off, they all go off!

User-friendly features include easy-access battery door which allows for battery changes without removing the detector from its mounting location and end of life timer which signals when the detector should be replaced.  Low battery warning so you know when it's time to change batteries, and a mute button that instantly silences nuisance alarms.

First Alert 1039823 SCO500A Wirless Combination Smoke Detector and Carbon Monoxide Alarm Features:

• Photoelectric smoke detector is most sensitive to large particles generated by smouldering fires
• Carbon monoxide detector
• Wireless link with other SA500, SCO500, SA520 detectors so that when one goes off they all go off
• Powered by 2 AA batteries (included) - always works even when the power goes out
• Easy access battery door allows batteries to be changed without removing detector from its mounting location
• Alarm silence and test button
• Audible low battery warning
• End of life warning
• cETL / CSA approved
• 5-year warranty
• SCO500 SCO500A SCO500NVA