3pcs เครื่องตรวจจับควันไร้สาย Smoke Detector Alarm 360° ไฟฉุกเฉินดับเพลิง วัสดุดับเพลิง Home Security Detector Fire Sensor Fire Alarm Sensor(ขาว) สำหรับติดตั้งฟรี!!

Using the United States dedicated chip manufacturing, reliable performance Easy to install, no debugging required Precision photoelectric sensors to ensure a high degree of consistency and stability to avoid smoking and other false alarms caused by false alarms. The automatic detection function ensures that the detector is always in the best working condition Smoke room with pest control design, the use of more durable Bright and efficient alarm sound ≥ 85dB Manual test button for easy testing. Shell with fire ABS plastic. Products take the lead through the Ministry of fire detection center ** and obtained CCC mandatory certification.