First Alert SCO500B Interconnected Wireless Battery Combination Smoke CO Voice 4 Pack

First Alert SCO500B Interconnected Wireless Battery Combination Smoke CO Voice 4 Pack

BRK Wireless Interconnect Alarms provide a cost effective solution when it comes to renovation and retrofit projects where interconnectability is a requirement. Easily interconnect between floors and new to existing construction wirelessly.<li>BRK Wireless Interconnect enabled alarm<li>Wireless battery Combination Photoelectric Smoke & CO Alarm<li>Voice alarm with programmable location. Programmable with up to eleven locations.<li>Single button test/silence<li>Two silence features - can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm<li>RF Interconnect: reliable and secure radio frequency communication between alarms. 915 MHz frequency with 65,000 security codes and 3 channel frequency hopping.<li>Optipath 360 TechnologyTM - patented technology provides 360 degrees of direct access to the smoke sensor.<li>Perfect Mount - allows for easy alignment of alarm<li>Spread Spectrum Horn Tone - Lower and varying frequency makes it easier for the elderly with normal aged related hearing loss to hear the horn.<li>Latching Features: Alarm Latch - remembers which unit initiated an alarm. Low Battery Latch: Visually indentifies unit in low battery condition.<li>End of Life Signal provides audible notification alarms needs to be replaced<li>7-Year Limited Warranty