YASONG SLA-290-II 7-Color Strobe Siren Light, 120dB, 9 Tones, 3 Flash Modes, AC100-240V, IP69K Installation Method:Bolt base while the smartphone can use

while the smartphone can use 2G

DC12V–48V input for a wider range of vehicle power systems

red and blue LED strobe warning lights and a built-in rechargeable lithium battery

Please choose the no-sound version or 85dB buzzer version before ordering

120dB loud siren sound for clear emergency warning

YASONG SLA-290-II 7-Color Strobe Siren Light, 120dB, 9 Tones, 3 Flash Modes, AC100-240V, IP69K Installation Method:Bolt base while the smartphone can useThe YASONG SLA 290 II 7 color strobe siren light combines a 0120dB adjustable horn, 9 built in alarm tones and 3 seven color flashing modes for project vehicles, automation equipment, factory workshops, construction sites, lifting machinery and security posts. This model uses an AC100240V power input and comes with an adapter, so no wiring is required for normal use. Tone, volume and flashing mode can be adjusted through the SW1 and SW2 buttons inside