Please confirm the base type
dust and outdoor environments
This model works by power-on operation: when powered on
Rechargeable battery design for portable warning use
making it suitable for two bikes or for keeping one unit as a backup
YASONG SLA-S001 130dB Portable Highway Maintenance Alarm Siren, 100W, 20Ah Battery, Red Blue Strobe Product Size:46.2 x 34 x 19.5cm Please confirm the base typeThe 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