Smoke Detector CO Detector 2in1 Smoke and Carbon Monoxide Detector

Smoke Detector CO Detector 2in1 Smoke and Carbon Monoxide Detector
Smoke Detector CO Detector 2in1 Smoke and Carbon Monoxide Detector

1.Combination smoke detector and carbon monoxide detector^
2.LCD display concentration PPM^
3. High precision electrochemical sensor and infrared photoelectric switch^
4. Easy installation, no need to debug