This unit is a Carbon Monoxide detector, it is also Wireless with a battery Backup. If you need to tie this into other Hardwired units you will need to get the SA521CN(SA520B) to use as a bridge unit. Easily link alarms together with the press of a button. Easy access battery drawer: no need to remove alarm from ceiling to change battery. 7-year limited warranty. Meets UL standards.
Specs:wireless interconnect enabled alarm
Exclusive! Voice alarm with programmable location. Programmable with up to eleven locations.
Single button test/silence
Two silence features – can silence the low-battery chirp for up to eight hours or temporarily silence an unwanted nuisance alarm
RF Interconnect: reliable and secure radio frequency communication between alarms. 915 MHz frequency with 65,000 security codes and 3 channel frequency hopping.
Optipath 360 TechnologyTM – patented technology provides 360 degrees of direct access to the smoke sensor.
Perfect Mount – allows for easy alignment of alarm
Spread Spectrum Horn Tone – Lower and varying frequency makes it easier for the elderly with normal aged related hearing loss to hear the horn.
Latching Features: Alarm Latch – remembers which unit initiated an alarm. Low Battery Latch: Visually indentifies unit in low battery condition.
End of Life Signal provides audible notification alarms needs to be replaced
7-Years Limited Warranty
Model # CO511B
Weight 8.4 oz
Operating Voltage Two 1.5V AA Batteries
Humidity Range 10% to 95% relative humidity (RH)
CO Sensor Electrochemical
Listing ETL to UL 2034 standard