YASONG YK-K008s-40 Amber 40 LED Magnetic Beacon Light, DC12V-24V, IP66, 7 Flash Modes, 16.4ft Cord Plug-in Alarm Sirens the alarm sounds after movement

the alarm sounds after movement or impact is detected

The page title mentions sound and no-sound options

construction sites

The waterproof rating and housing material should be confirmed because the product page shows conflicting IP and material information

This model uses microwave and infrared sensing to detect movement from people or vehicles

YASONG YK-K008s-40 Amber 40 LED Magnetic Beacon Light, DC12V-24V, IP66, 7 Flash Modes, 16.4ft Cord Plug-in Alarm Sirens the alarm sounds after movementThe YASONG YK K008s 40 amber LED strobe beacon light combines a 40 LED warning light design, DC12V24V vehicle power input and 16. 4ft cord for vehicles, trucks, tractors, forklifts, golf carts, cars, buses and work vehicles. This model uses a magnetic mount base with 5 strong magnets for quick placement on suitable metal vehicle surfaces. It can also be fixed permanently with screws when needed. 40 super bright LED beads for 360 degree visual warning