First Alert Smoke & Carbon Monoxide Alarm Talking Voice Alert 10 Year Lithium Battery Condition: Brand new in original packaging, package has some visible wear, creases and bending (see photos). Item unused and sealed. Model: First Alert Talking Alarm smoke & CO alarm Battery: Built-in lithium powercell, 10 year sealed battery (no replacements for life) Features voice alerts that tell you the type and location of danger Patented Smoke Entry System reduces false alarms No low battery chirps or battery replacements needed Photoelectric smoke sensor and meets UL217 & UL2034 safety standards 10 year limited warranty (noted on packaging) Item color: White Category: Home safety / smoke and carbon monoxide detector UPC: 029054019196 | Cat. 1039871 Made by First Alert, protecting homes & families since 1958 Packaging lists recommended placement for ideal home protection