Alert vehicle-mounted radio horns 200w400w600w whistleblower 12v24v

Enter a 12v, usually a car, a suv, a land cruiser

I don't know

It's a machine of steady quality that we don't compete for, but for the quality and effect of the product. The market product is mixed and, in view of the dismantling of the product, we are sending the product for rigorous testing. I don't know

Quality can be assured that machines are strictly closed and of a stable quality, with a life expectancy of more than 6-7 years。