High-quality carbon monoxide alarm, intelligent CO smoke sensor, poison gas warning detector

Features: 1. High-quality electrochemical carbon monoxide sensor; it is more accurate, reliable, and reproducible. 2. Super bright LED display. Flashes every 50 seconds to indicate standby status and rapidly flickers for detector alarm. 3. High-volume alarm output; a distance of 3 meters can reach 85 dB. 4. When the concentration reaches 50 ppm, it will trigger an alarm within 60 to 90 minutes. 5. Clear and timely LCD concentration display; keep your family safe. Specifications: Feature: High-quality electrochemical carbon monoxide sensor; it is more accurate, reliable, and reproducible. Super bright LED display. Flashes every 50 seconds to indicate standby status and rapidly flickers for detector alarm. High-volume alarm output; a distance of 3 meters can reach 85 dB. When the concentration reaches 50 ppm, an alarm will sound within 60 to 90 minutes. When the concentration reaches 100 ppm, an alarm will sound within 10 to 40 minutes. When the concentration reaches 300 ppm, an alarm will sound within 3 minutes. The LCD display provides clear and timely concentration readings, ensuring the safety of your family and friends. Specification: Condition: Brand New Material: Plastic Color: White Size: Approx. 10*3cm/3.9*1.2in Package Weight: Approx. 113g Power Supply: 3 x 1.5V batteries Standby Current: Alarm Current: Alarm: At a distance of 1 meter, the alarm can reach 85dB at 3KHz, with the red LEDs flashing rapidly. Static indication: LED flashes for 30 seconds. Low voltage alarm: sounds every thirty seconds, LED displays LB. Test button: press for a few seconds to trigger the alarm sound; the machine is functioning normally. Package list: 1 * CO Alarm, 1 * User Manual, 1 * Installation Package. Note: 1. Please allow 1-3cm error due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated the same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. 3. No batteries required!