This item cannot be shipped to the following state(s): GU,PR,VI
First Alert smoke alarm with long-life lithium battery. Long life lithium battery reduces costly battery replacement and frequent maintenance. Mute feature silences nuisance alarms. Single button tests detector functions. Easy access front loading battery door: no need to remove alarm from ceiling to change battery. Ideal for Hallways, Bedrooms and Living areas especially in hard to reach locations. 10-year limited warranty. Meets UL standards.