Conforms to UL 3, 297 MODEL MP3168 @ a8 Intertwine Sings Station Snake Alger PHOTOELECTRIC SENSING TECHNOLOGY SMOKE & FIRE ALARM WITH 10 YEAR PERMANENT POWER SEALED BATTERY Py ALARM READ ALL INSTRUCTIONS THANK YOU for purchasing this smoke and fire alarm. This tamper proof alarm doss not McGuire battery changes. i has a permanent power soled battery which will last for approximately 10 years.
