High Sensitivity CO Sensor for Home Wireless Carbon Monoxide Poisoning Smoke Detector Warning Alarm Detector LCD Indicator Product Feature The detector adopts special structural design and ASIC, which has the characteristics of dust-proof, insect-proof and anti-interference of outside light. 1. It is a carbon monoxide detector alarm, suitable for all areas: homes, shops, hotels, restaurants, office buildings, schools, banks, libraries, computer rooms and warehouses, etc. 2. Durable Material: This product is made of high quality material, which is durable, long service life, firm and stable in use. 3. Alarm and warning personnel should stay clear of the danger zone when smoke is detected. Specification Sensitivity/Alarm Time: Within 60-90 minutes at 50 ppm CO concentration; Within 10-40 minutes at 100 ppm CO concentration; Within 3 minutes at 300 ppm CO concentration LCD display (optional): 4-digit LCD display Audibility: 85dB (at 1m distance), Frequency 3 - 0.5KHZ Standby current: