Specification:
Produce life: 6 years guarantee
Power: DC 9V battery operated
Alarm Sensitivity:
Sensitivity to co: comply with EN50291standard
Sensitivity to smoke: comply with EN14604 standard
Standby current: <50μ pound; A
Alarm current: <30mA
Operation Ambient Condition: 4~38º C, 25~85%R. H.
Sensor:
CO: electrochemical, original Figaro CO detector
Smoke: photoelectric
Battery Specifications:
Rating voltage: DC 9V
Package: Carbon Zinc 6F22 or Alkaline 6Lr61, 1604A for ANSI, 6AM6 for JIS.
Size: 25.5 * 16.5 * 47.5 (unit: mm), it is approximation.
Alarm Volume: ≥85dB at 3M @3.4± 0.5KHz pulsing alarm
For smoke alarm: The alarm sound pattern: BI 0.5s— pause 0.5s— BI 0.5s— pause 0.5s— BI 0.5s— pause 1.5s, with a corresponding red LED flash, repeat this alarm pattern.

For CO alarm: The alarm pattern: 3 short beeps- 1.5 seconds silence- 3 short beeps, with a corresponding red LED flash, repeat this alarm pattern.
Recommend battery type: G6F22 (GOLD POWER)
Note: This carbon monoxide and smoke alarm is designed to detect carbon monoxide gas or smoke from any source of combustion. It is not designed to detect any other gas.