BRK®First Alert® Battery powered carbon monoxide alarm with 10-Year sealed 3V lithium battery features a backlit digital display that shows visual confirmation of CO levels.
 • Peak Level Memory feature, current room temperature and other operating conditions. 
 • Includes electrochemical CO sensor with Silence feature. 
 • Can be mounted on wall or used as a portable alarm, Great for travel. 
 • MFG # CO9B10DA