CO Smoke Combination Detector Photoelectric Sensor Sound Light Alarm LCD Display Safety Alert

Feature: 1. Smart combination carbon monoxide and smoke detector, with sound light alarm and LED indicator alarm. 2. LCD shows the detecting concentration, clear and intuitive. With alarm memory function, convenient to use. 3. Adopt electrochemical sensor and infrared photoelectric sensor, high sensitivity and reliability. 4. Using micro‑processing control, high stability, low power consumption, small sensitivity drift, long standby life. 5. Perfect for places where carbon monoxide gas leakage and fire may occur, effectively enhance safety. Specification: Item Type: CO and Smoke Alarm Material: ABS Battery Supply: 3 x 1.5V AA battery (not included) Quiescent Current: <20uA Alarm Current: <50mA Alarm Sound: Sound and light prompt Sensors: Electrochemical carbon monoxide sensor and infrared photoelectric sensor Working Temperature: 0 50 celsius Working Humidity: Relative humidity 10percent 95percent Carbon Monoxide Gas Detection Concentration: 000 999 PPM Smoke Sensitivity: 0.1percent db m 9.9percent db m Alarm Indication: LCD display, sound and light prompt Power Display: Low power alarm Applicable Scenarios: Mainly used in places where carbon monoxide gas leakage and fire may occur to ensure the safety. How to Use: When 3pcs 1.5V AA batteries are installed, the buzzer will beep once, the alarm will enter the preheating state, and the display will show a 2 minute countdown. When the detector detects that the carbon monoxide gas exceeds 100PPM, it will alarm, the red light will flash, and the buzzer will beep four times at an interval of 5 seconds.. Package List: 1 x Smoke Alarm 1 x Manual1 x Screws Pack