Specifications:

• 40: days
• Alarm current: 16mA
• Alarm: decibel
• Certification: NONE
• Humidity: 0 to 95% (40 ± 2 ° C), no condensation or icing
• Low pressure warning: the smoke alarm beeps every time
• Origin: CN(Origin)
• Quiescent current: ≤10μA
• size: 107*35
• Smoke: alarm
• Smoke sensitivity: 0.086dB / m to 0.140dB / m
• Test: button
• Working temperature: minus 10 ° C ~ 50 ° C
• Working voltage: 1 section 9V square battery