YASONG SLA-S001 130dB Portable Highway Maintenance Alarm Siren, 100W, 20Ah Battery, Red Blue Strobe Plug-in Alarm Sirens 12 built-in alarm tones and

12 built-in alarm tones and a LED strobe warning light for farms

AC100–240V input for fixed equipment and site warning use

This model works by power-on operation: the alarm starts when powered on

Dry contact signal trigger for external sensor and PLC systems

YASONG SLA-S001 130dB Portable Highway Maintenance Alarm Siren, 100W, 20Ah Battery, Red Blue Strobe Plug-in Alarm Sirens 12 built-in alarm tones andThe YASONG SLA S001 portable highway maintenance alarm siren is designed for road work, highway maintenance, tunnel construction, emergency rescue sites and temporary outdoor safety warning areas. This model combines a 300W maximum power alarm system, 130dB adjustable sound, red and blue LED strobe warning lights and a built in rechargeable lithium battery. It supports portable movement with a handle and pull rod structure, making it suitable for