Htovila Fire Alarm,Office Restaurant AlertOffice Fire Alarm Siren Sound Alert Simbae

*Three different tones, you can choose any one of them according to your need. Three different tones, you can choose any one of them according to your need. *Using high quality ABS fire-proof material. Suitable to be used in office,shop,hotel,restaurant, etc. Built-in 2pcs LEDs, super bright when send out alarm signal, effectively remind people flee from fire. *The siren will send out both loud sound and quick flash light to remind people escape from the fire.