Features:

*  Loud 85 decible alarm.

*  Permanant carbon monoxide sensor.

*  Powered by one 9V battery.

*  The alarm sound pattern is pulsed four short alarm beeps for co alarm and continuous beeps for smoke       alarm.

    The sound pattern is smoke pattern as co and smoke occur simultanously. The red LED will flash while in     alarm mode.

*  One 'chrip" every 30 seconds is an indication that the battery is low (Need replacement) or the unit is         malfunctioning.

*   Test Button to test units monthly.

*   Green and red LED light that indicate normal operation and alarm status.

*   The unit will sound 'chrip" and red LED flashes once as powered up.

Specification:

* Power Supply: One 9V carbon Zinc Battery

* Sesitivity Setting:

       Co: alarm density:

             30ppm, alarm not activate within 120 minutes

             50ppm, alarms within 60-90 minutes

             100ppm, alarms within 10-40 minutes

             300ppm, alarms within 3 minutes

       Smoke: 1%-5%/FT OBS

* Standby Current: <25uA

* Alarm Current: < 45mA

* Operation Ambient condition: 5-40 degree and 20%-90% R.H.