Combination photoelectric smoke alarm and Carbon monoxide detector for gas detectors

Features:
- Ceiling or wall mounting
- Easy to install with mounting hardware included
- 9VDC battery
- Suitable for any room
- Flash alarm indicator (red)
- Test button for easy recommended monthly testing
- Low battery signal
- Safety clip feature, not allow mounting of smoke alarm
without battery installed
- photoelectric  chamber for early detection from all directions
-high sensitivity carbon monoxide sensor
- Loud 85dB alarm signal
SPECIFICATIONS :
Power Source : 9VDC battery 
Operating Current : 20uA (normal) and 20-50 mA
(alarm working)
Sensitivity to smoke : In comply with UL217 &
EN14604:2005
sensitivity to carbon monoxide:
   --Response time:2MIN
  --Alarming level:150ppm CO±30%
Operating Temperature : 40oF - 100oF (4. 4C - 37.8oC)
Ambient Humidity : 10% - 90%.
Horn Level : 85 Decibels at 10 feet.
Battery life : 1 year min. 
Size: 110mmX25mm
Box size :34cmX57cmX42.5cm;
q'ty/box:115pcs,
weight:17.3kg/box