Sell b0DZ Warning Signal Beacon Light Horn Siren 120db Outdoor Audible and Visual Alarm Annunciator for S best price

Model:SF-503 Introduction This Alarm Annunciator, audible and visual alarm, is a kind of alarm device giving warning signals through sound and light. Widely applied in large hoisting machinery, engineering vehicles, bank, government agencies, buildings, villas, forest park, border defense system and security service company and other areas. Features Can load MP3 audio playing, good sound quality. Automatically play when power on, single cycle. Max audio output up to 20W. Loud alarm sound, up to 120db. Built-in SPI memory, support 4Mbit~64Mbit storage capacity. Voice length more than 2000 seconds. Use USB flash disk to replace alarm sound through USB interface. Remote control function is optional. Can use remote controller to select alarm sound, play the previous/next, adjust volume. Wide voltage range of power supply. Alarm light and warning signal are integral. Weather-proof circuit process--waterproof and dust-proof.