Generic XF0367 Battery Operated Carbon Monoxide Detector Alarm Door & Window Alarm  (85 dB)

This is a carbon monoxide detector alarm, suitable for all fields: houses, shops, hotels, restaurants, office buildings, schools, banks, libraries, computer rooms, warehouses, etc. -This product is made of high-quality material, durable, long service time, firm and stable in use. -When smoke is detected, the alarm and warning personnel will alert you of the dangers. -The detector adopts a special structural design, which has the characteristics of dust-proof, insect-proof, and anti-interference from outside light. -Working voltage: 3 AA batteries -Alarm sound: greater than 85dB -Alarm concentration: 50PPM 60-90 minutes alarm -100PPM 10-40 minutes alarm -300PPM 3 minutes alarm