packed ino opp bag then into carton for alarm siren 220v 150db
Port
Shenzhen
Asenware fire alarm design alarm siren 220v 150db
Function of alar alarm siren 220v 150db :
-- The fire alarm bell is automatic fire alarm and audio output device in the system.When fire happen, the fire alarm system by the output control module starts the alarm, it is ringing alarm signal to alert people to pay attention to the fire.
Working priciple of alarm siren 220v 150db : -- When a fire occurs, smoke in the air contained in the particle concentration and the ambient temperature exceeds the standard fire alarm set value, the sensor information will be dangerous to the host, then alarm bells ringing.
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