YASONG SLA-S001 130dB Portable Highway Maintenance Alarm Siren, 100W, 20Ah Battery, Red Blue Strobe Plug-in Alarm Sirens as the page shows both

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

9 built-in alarm tones and 4 flashing light modes for trucks

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

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

IP65 protection for outdoor use

YASONG SLA-S001 130dB Portable Highway Maintenance Alarm Siren, 100W, 20Ah Battery, Red Blue Strobe Plug-in Alarm Sirens as the page shows bothThe 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