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Smoke and CO detector    RC421COM

Technical figures:

power suply:one 9V carbon zinc battery

sensitivity setting:

Co:100+/-50ppm

smoke:1%-5% FT OBS

Features:

--loud 85 decible alarm

--low battery warning

--permanent carbon monoxide sensor

 --The alarm will emit for short alarm beeps when carbon monoxide is detected and will emit --continuous beeps when smoke is deteced.The alarm will also emit continous beeps when both smoke and carbon monoxide are detected at the same time.The red LED will flash while in alarm mode.

 --one"beep" every 30 senconds is an indication that the battery is low(need replacement) or the unit is malfunctioning.

 --Green and red LED lights that indicate normal operation and alarm status

 --The unit will "beep" and green LED will flash once as power up.