Product: Combination Smoke and Carbon Monoxide Detector Alarm Digital Display for Travel Home Bedroom and Kitchen 9V Battery Operated
Brand: BQQZHZ
Color: white
◆Power supply: DC 9V battery, 6F22 
 ◆Standby current: ≤98uA
 ◆Alarm current: ≤75mA
 ◆Alarm sound: ≥85dB (1m)
 ◆Sensor type: Photoelectric sensor & Electrochemical CO sensor
 ◆Low battery warning: <7.6V
 ◆Alarm sensitivity. CO alarm sensitivity & time: 70ppm, alarms within 60-180minutes; 150ppm, alarms within 10- 50minutes; 400ppm, alarms within 4-15minutes; 700ppm, alarms within 2-6minutes.
 ◆Temperature range: 0°C~49°C (32°F~120°F)
 ◆Humidity: ≤95%RH (No icing or condensation)
2 in 1 smoke detector/carbon monoxide alarm, well used in the place of carbon monoxide gas leakage and fire place, well guarantee personal safety.
Understand the surrounding environment in real time - smoke detector and carbon monoxide detector Indicator lights on the face of the unit display the presence of smoke or carbon monoxide.
When carbon monoxide and smoke rise to alarm levels, the 85 dB alarm provides a clear, loud warning when it is discovered.
Dual high stability sensors- Minimize carbon monoxide and smoke detector alarm false positive.
Battery operated device Can be easily installed and maintained without the need for an electrician.

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