YASONG SLA-O71S 130dB 350W Dual Horn Alarm Siren, 300m Range, Adjustable Tones, IP65, USB Upload, LED Strobe Programmable Timer Alarms 36 ultra-bright LED beads for

36 ultra-bright LED beads for strong red visual warning

as the page shows both power-on trigger and remote-control trigger information

It also supports USB voice updates and includes a 2

USB custom audio upload with up to 4MB storage

broken wire

YASONG SLA-O71S 130dB 350W Dual Horn Alarm Siren, 300m Range, Adjustable Tones, IP65, USB Upload, LED Strobe Programmable Timer Alarms 36 ultra-bright LED beads forThe YASONG SLA O71S dual horn alarm siren combines a 350W high power output, 0130dB adjustable sound and red and blue LED strobe warning light for cranes, metallurgy sites, mining areas, noisy industrial locations and emergency warning points. This model works by power control activation: the siren turns on when power is supplied and stops when power is turned off. It supports AC110 120V and AC220V options and requires wiring before use. 0130dB