The product sounds particularly loud The installation is very simple and convenientThe product sounds particularly loudUnique dustproof and waterproof designWith impact-resistant, corrosion-resistant, long-lasting anti-deformation materialApply to any 12V motorcycles and carsOperating voltage: DC 12VFrequency: 510HZDb: 105-115Material: ABS + ironColor: Green Size: About 10 x 8 x 12.5cm1 x HornGood packing