• The double sensor inside can detect carbon monoxide and smoke, etc. a variety of gases
• Accurate concentration display. When carbon monoxide exceeds or detects smoke fires, the LCD screen will display the current value according to the gas concentration
• When the carbon monoxide detector detects that the concentration of carbon monoxide reaches a dangerous level, the light will flash
• Powered by 3pcs AA batteries, easy to replace the battery
• With high sensitivity and fast response speed, it can quickly and accurately detect carbon monoxide levels to ensure the safety of you and your family

Specification:

• Power supply: 3*AA batteries (not included)
• Quiescent current: <80uA
• Alarm current: <30mA
• Alarm sound: light/sound prompt
• Sensors: Electrochemical carbon monoxide sensor and infrared photoelectric sensor
• Temperature: 0℃-50℃
• Relative humidity: 10%-95%
• Carbon monoxide sensor detection concentration: 000-999 PPM
• Smoke sensor sensitivity: 0.1% db/m-9.9% d/m
• Alarm indication: LCD display, light/sound prompt
• Other function: low battery alert
• Certification: CE, RoHS, UL report