The First Alert PR710 slim photoelectric smoke alarm with ten year battery helps protect your home by providing up to a decade of uninterrupted monitoring. This low-profile smoke alarm uses an ultra-reliable photoelectric sensor to detect smoke from slow-burning, smoldering fires. Half as thick as a standard alarm, this detector has a slim, contemporary design that mounts unobtrusively on a wall or ceiling. A built-in 10 years lithium-ion battery provides continuous power, with no need to ever worry about changing the battery over the lifetime of the smoke detector.

• Photoelectric sensor helps reduce nuisance alarms and detect slow smoldering fires
• Sleek, low-profile design
• Battery-powered alarm installs easily
• Alerts you to danger
• Power LED and alarm indicator
• The 10 years sealed battery never needs to be changed for the life of the alarm
• Tamperproof, sealed alarm design, constant protection since battery cannot be removed
• Mute button mutes unnecessary alarms immediately, also tests alarm function
• Patented smoke entry system allows for a direct path to smoke sensor
• Slim design adds an element of style and is half the size of the standard alarm