Smoke and Carbon Monoxide Detector Combo with Sound Warning and LCD Display Battery Powered CO Smoke Alarm Detector, 3 Pack (AA Battery Not Include)

الوصف

[Product Description]: This product is an intelligent carbon monoxide and smoke combined detector, which is controlled by a microprocessor. The carbon monoxide sensor is stable and reliable, with low current consumption and small sensitivity drift. Mainly used for carbon monoxide gas leakage and fire source location to ensure personal safety. [Features]: 1. The first step Insert 3 pieces 1. 5V AA batteries to the detector, the buzzer will sound "di", the detector will start to warm up, and the detector will display a 2 minute count when it starts. 2. Buttons Press the "TEST" button, the LCD displays "CO 0ppm", then smoke "0.00db/m", the LED flashes, and the detector emits a continuous alarm. 3. Low battery warning When the battery capacity is low, the red light flashes once every 10 seconds and the LCD displays "Lb". 4. Alarm When the device detects that the concentration of carbon monoxide gas exceeds 300 PPM, it will sound an alarm within 3 minutes, the buzzer will sound four times every 5 seconds, the red light will flash and the alarm will continue. When the device detects that the smoke concentration exceeds 0, immediately close the valve, open the windows and doors, and then call your emergency service personnel. 1%db/m, it will alarm. The blue light will flash quickly, and the buzzer will continue to sound the alarm.