2-in-1 combined optical smoke and carbon monoxide alarm.
Packing List
1 x combo alarm
1 x mounting bracket
1 x screw kit
1 x user manual

Model
Smoke and Carbon Monoxide Detector
Operation voltage: 3VDC 2*1.5 Carbon zinc battery R6P /2*1.5V AA LR6
Standby Current: ≤45uA
Alarm Current: ≤50mA
Audibility Level: ≥85dB/3m
Working Environment :-10℃~+50℃,(≤95%RH non-condensing)
Hush Time: Approx.10 minutes
Sensitivity: 0.1~0.2dB/m
CO sensitivity: 50 ppm: 60-90 mins; 100 ppm: 10-40 mins; 300 ppm: <3 mins
Dimension
82*50.5mm
Comply to standard EN14604:2005 /AC:2008 & 50291: 2010

Ultra thin Tuya WIFI APP Control smart combination co smoke alarm smoke carbon monoxide detector in one
* Dustproof, mothproof and anti-white light interference design.
* Automatic calibration, guaranteeing accurate sensitivity.
Advanced photoelectric sensing technologdy, and high reliable electrochemical co sensor
* Faulty warning.
* Low battery warning.
* Hush function.
* Manual Test / Auto-Reset.
* Big test button for easy operation.
Works with Tuya Smart Life APP, and sends more than 85DB buzzing alarm as well as the phone app notifications once the smoke and CO leakge detected