This is an interconnected wireless smoke detector.
It uses radio frequency (RF) to connect with other alarms without wires.
When one alarm detects smoke, all connected alarms will sound.
It is powered by a 9V battery with a minimum lifespan of one year.
It uses photoelectric technology, which is effective at detecting slow-smoldering fires.
It is easy to install with screws and does not require wiring.
It emits a loud 85dB alarm when smoke is detected.
Some models can connect to a mobile app for notifications.