Carbon Monoxide Detector CO Alarm Detector with LCD Digital Display Battery Operated, White, 1-Pack

Specifications:
Alarm tone: 85 dB
Display: LCD blue backlight digital display
Low power alarm: a "built" every 30 seconds is a clue
Power supply: 3 *AA batteries (not included)

Alarm standard:
50PPM: Adult can bear within 8 hours,alarm within 60-90 minutes
00PPM: Headache,feelble within 2 hours,alarm within 10-40minutes
300PPM: Life-threatening within 3 hours,alarm within 4 minutes
500PPM：Alarm immediately

Note:
1.This carbon monoxide alarm is designed to detect carbon monoxide gas to protect your family from the dangers of carbon monoxide.It is Not designed for Smoke detection or ANY Other GAS detection. Battery-operated alarm that includes a blue back light digital display feature.
2. Before installing the Carbon Monoxide Detector, the batteries must be removed, stripped of their plastic jackets and then reinserted in the Carbon Monoxide Detector.
3.The installation location should be Installed 12 inches below the ceiling, or on the ceiling, not be too close to the gas stove or the smoker. Avoid smoke directly into the alarm, this will affect the sensitivity of the alarm.
4. The CO Detector needs to be tested weekly! If you have any questions about the CO Detector, please contact us at the first time and our friendly customer service team will respond to you as soon as possible.