Especially created for the device, which notified that spaces has begun to spread to carbon monoxide or carbon monoxide (CO) is a colourless, tasteless, perfume, very poisonous, flammable toxic gas that formed all carbon-containing substances of incomplete combustion processes. 

Technical data: 

• Takes 3-1, 5V AA batteries that are included in the set 
• Alarm: 85dB 
• Alarm level: 25-550PPM/CO-10% 
• LCD panel that displays battery status, point to carbon monoxide concentration in the room 
• Alarm low detection ability 
• Check button 
• Dimensions: diameter-90 × 120 × 40 mm 

Calibrated in accordance with the standard EN 50 291 

Carbon monoxide detector life-years experience.