Home Security System for carbon monoxide alarms co fire detector HS-COA999

الوصف

-LCD display with a blue back ground light.

- Permanent carbon monoxide sensor. 

- Powered by 3 x 1.5V AA batteries.

- The alarm sound pattern is four short alarm beeps. The red LED will flash while in alarm mode.

-One chirp every *0 seconds is an indication that the battery is low (need replacement) (green LED still flashes once every *0 seconds) or the unit is malfunctioning (green LED is out.).

- Alarm memory feature: If the unit ever alarms, pressing the , green LED will flashes once every second for one minute and the peak alarm level will indicate on the LCD.

- Test/Reset to test the unit electronics and verifies proper unit operational and reset the unit during CO alarm.

-Green and red LED lights that indicate normal operation and alarm status.

*3 digits LCD displayer is optional. Err on the LCD to indicate the unit is malfunctioning. Lb on the LCD to indicate it low battery and need replacement. **9ppm. On the LCD to indicate CO level over **9ppm. If the Co leakage is less than **9ppm but over *0ppm, it would show its actual concentration.

-Blue back light will be lighted when pressing the test bottom or alarming 

- The unit will sound chirp and red LED flashes once as power up.

- Power saving feature: The alarm sound pattern is 4 beeps every 5 seconds for the first 4 minutes. In 4 minutes, it will change to 4 beeps every minute to save the battery.

-Green LED: The green LED flashes every *0 seconds