BBJ-D multi-function sound and light explosion-proof alarm belongs to the sound and light alarm, with sound and flashing lights double alarm function, including air defense, emergency, fire three signals. 

Three kinds of alarm signals corresponding to the sound and flashing lights at the same time send an alarm signal, people clearly know the type of alarm promptly take corresponding action. 

Flash with long-life bright LED luminous body, the sound source using a one-time burning voice chip programming, the sound amplified by the amplifier sent to the speaker sound. According to a vivid warning sound strong long life characteristics.