IP65 protection for outdoor use
0–120dB adjustable siren for different warning needs
as the page shows both power-on trigger and remote-control trigger information
The 17 high-brightness LED beads provide flashing visual warning for vehicles
This model works by power-on operation: the alarm starts when powered on
YASONG SLA-S001 130dB Portable Highway Maintenance Alarm Siren, 100W, 20Ah Battery, Red Blue Strobe Plug-in Alarm Sirens IP65 protection for outdoor useThe 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