YASONG SLA-090 120dB LED Beacon Siren Light, 9 Tones, 4 Flash Modes, DC10V-30V, Bolt/Magnet Base Alarm Sirens and the Micro USB port

and the Micro USB port allows custom tone updates

and the red wire should connect to positive while the black wire connects to negative

24 mile remote range options

Please confirm the vehicle voltage and mounting surface before use

YASONG SLA-090 120dB LED Beacon Siren Light, 9 Tones, 4 Flash Modes, DC10V-30V, Bolt/Magnet Base Alarm Sirens and the Micro USB portThe YASONG SLA 090 LED strobe siren beacon light combines a 0120dB adjustable horn, 9 built in tones and 4 flashing modes for vehicles, trucks, forklifts, workshops and industrial warning areas. This model works with DC10V30V power and requires wiring before use. It supports bolt base or magnet base installation, making it suitable for fixed mounting or removable vehicle warning use. 0120dB adjustable sound for different warning environments 9 built