YASONG LTD-5088 Battery Magnetic LED Beacon Light, 17 LEDs, IP44, No Sound/85dB, AA Battery Powered Color:Blue but the current specification lists

but the current specification lists a 90dB buzzer

Please confirm that your external device provides a dry contact signal before connecting the alarm

the siren provides 0–120dB adjustable sound and red

and 3 included remote controllers for outdoor security and industrial warning use

Wiring is required before use

YASONG LTD-5088 Battery Magnetic LED Beacon Light, 17 LEDs, IP44, No Sound/85dB, AA Battery Powered Color:Blue but the current specification listsThe YASONG LTD 5088 battery magnetic LED strobe beacon light is designed for trucks, vehicles, forklifts, cars and temporary safety warning areas that need quick visual warning without fixed wiring. This model uses 4 AA batteries and a magnetic base, making it easy to install, remove and reuse. The 17 high brightness LED beads provide flashing visual warning for vehicles, work areas and emergency safety use. Battery powered design with 4 AA batteries