* Low profile - only 2.00” high, including base.

* Simple and reliable device addressing.

* Automatic compensation for sensor contamination.

* Built-in fire test feature.

* Uses the noise-immune Digital Communication Protocol.

* (DCP), which utilizes interrupts for fast response to fires.

* Two built-in power/alarm LEDs.

* Programmable non-polling LEDs.

* Non-directional smoke chamber.

* Vandal resistant security locking feature.