Photoelectric Smoke Alarm Battery, 10-Year Battery, 6-Pk.
6 pack, 10 year photoelectric smoke alarm battery, contractor pack, nuisance & hassle free, includes a 10 year sealed lithium battery, eliminating annoying low battery chirps & costly battery replacements, a slimmer round design, all the protection needed to help keep what matters most safe & secure, open stock tv #210-431.