About this item Sound and light alarm is a kind of alarm terminal equipment, which adopts dual sound alarm + LED flashlight mode, which can better remind people people nearby in an emergency The sound and light alarm has built-in LED lamp beads, high brightness, low power consumption, power consumption is only the half that of incandescent bulbs, energy saving, environmental protection and long service life The siren will make a loud alarm sound and the alarm LED will flash quickly to make the warning more obvious to remind people to escape This kind of sound and light fire alarm is easy to install, just connect the alarm to the correct wire, it works stably and low maintenance cost This sound and light alarm is easy to install and suitable for mechanical alarms, fire protection, construction sites and other security systems. security alarm