LCD Display Carbon Monoxide Detector Gas Alarm Sensor Pack of 3

It is a carbon monoxide detector alarm, suitable for all fields: houses, shops, hotels, restaurants, office buildings, schools, banks, libraries, computer rooms and warehouses, etc.
Durable material: This product is made of high-quality material, durable, long service time, firm and stable in use.
The alarm and warning personnel should stay away from the danger zone when smoke is detected.
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

What's in the box
3 x Carbon monoxide alarm
3 x Packets of screws
3 x User Manual