CO Carbon Monoxide Detector Poisoning Gas LCD Alarm LED Sensor for Home Security

Blueskysea
CO Carbon Monoxide Detector Poisoning Gas LCD Alarm LED Sensor for Home Security
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Description:
* LCD display with blue background light.
* Strong alarm 85 decibels.
* Permanent carbon monoxide sensor.
*Powered by 3 * 1.5V AA battery (not included in the package)
*Alarm sound mode is four short alarm sounds. The red LED flashes in the alarm mode.
* A "beep" sound every 30 seconds indicates that the battery is low (requires replacement) (Gree LED flashes every 30 seconds) or the unit does not work properly (green LED is off).
*Alarm memory function: If the device issues an alarm, press the button, the green LED will flash once every second for one minute, and the peak alarm level will be displayed on the LCD.
* Test/Reset button Test unit electronics unit and verify that the operation and reset unit are correct during the CO alarm.
* Green and red LEDs indicate normal operation and alarm status.
* 3-digit LCD display is optional. “Err” on the LCD DISPLAY indicates that the device is not working properly. "LB' LCD display to indicate low battery and need to be replaced. '999ppm". On an LCD display to indicate a level of CO exceeding 999 ppm. If the CO loss is less than 30ppm, less than 999ppm, but more. This will slow down its concentration effectively.
* When the test button or alarm is pressed, the blue light will illuminate.
* When the power is turned on, the unit will beep, the red LED will flash once, and the LCD will display “888” for 2 seconds.
* Then press the test button, the unit will beep 4 times every 5 seconds, and the red LED will flash twice.
* In the self-test mode, “000” is displayed on the LCD for 3 minutes, and then enters the normal operation mode.
* Power saving function: In the first 4 minutes, the alarm sound mode emits 4 beeps every 5 seconds. In 4 minutes, it will beep 4 times per minute to save power.
Features:
Sensitivity and time
30ppm, alarm within 120 minutes
50ppm, 60~90 minutes alarm
100ppm, alarm within 10~40 minutes
300ppm, 3 minutes alarm
Battery: 1.5V size 3AA battery
Standby current <50uA working environment conditions 5~40 degrees, relative humidity 20~90%
Alarm current: <70mA
color: White
Product weight: 88 g / 3.1 oz
Packing size: 10.5 * 10.5 * 4 cm / 4.2 * 4.2 * 1.6 inches
Gross weight: 120 g / 4.23 oz

packing list:
1 * carbon monoxide alarm (without battery)
2 *screw
1 * User Manual