Single station Ul 2034 battery operated CO detector

1. Loud 85 decibel alarm
2. Permanent Carbon Monoxide Sensor
3. The Alarm Sound Pattern is Three Short Alarm Beeps. The Red LED Will Flash While in the Alarm Mode
One chirp every 30 seconds in an indication that the battery is low (need replacement) (green LED still flashes once every 30 seconds)
4. Test/Reset button to test the unit electronics and verifies proper unit operation and reset the unit during CO alarm
5. Alarm memory feature: If the unit ever alarms pressing the button green LED will flashes once every second for one minute and the peak alarm level will be indicated on the LCD
6. Green and red LED lights that indicate normal operation and alarm status
The unit will sound chirp and red LED flashes once as power up
7. Green LED: Flashes every 30 seconds to indicate the unit is operating properly. The green LED will also flash before CO reading is taken and when any button is pressed
8. Red LED :When a dangerous level of carbon monoxide is detected the red LED will pulse and a loud alarm pattern will sound

Power supply: 3AA size batteries(Not  include)

Sensitivity and time:   50ppm, alarms within 60-90 minutes

                                   100ppm, alarms within 10-40 minutes

                                   300ppm, alarms within 3 minutes

Standby current: <200Ua

Alarm current: <75Ma

Operation Ambient condition: 5~40 degree Celsius, 20~90%R.H.

1* Carbon Monoxide Alarm
2* Screws
1* User Manual