YIYIDA YYDA836 Car Siren Horn Wireless with Remote control 7 Tone Sound Speaker Fire Alarm suitable emergency Loud for 12V boat truck ect, black

✔ Wireless remote control, one key to control the horn. Installation is simple and convenient! Just connect the red wire to the 12v power supply (including the built-in fuse) and the black wire (or the negative pole of the battery) to ground. Key A: Prompt tone 1; Key B: Prompt tone 2, press to stop the whistle; Key C: Prompt tone 3; Key D: 4 different prompt tones, press to change the prompt tone. ✔ Press the button of the wireless remote control to change different notification sounds, including horn, fire brigade, police car alarm, etc. The package includes: 1 x speaker, 1 x remote control, 1 x installation kit bag, 5 x free high-quality nylon cable ties, 1 x free 1.5 m power cord. ✔ The car siren is made of high-quality materials, and the horn is sealed with plastic, which is waterproof and dustproof; the horn is designed with a wide square tube and has a wide range of sound transmission. The wiring is simple, the power supply voltage should correspond to the working voltage, and ensure that the cable is connected correctly, otherwise it will not work normally. The mounting bracket is sturdy and easy to use. ✔ Wider range of use! The wireless control horn is easy to use and does not need to be restricted to the cab. If you need a louder sound, you can buy two products and install them together, so that you can double the sound and have a stronger warning effect. The input voltage is 12V, which is suitable for most cars, SUVs, trucks, ships, etc. ✔ The price of the horn will not be as high as the $89 siren on the market. Considering the price, this product is great value for money, try it now! The siren is loud and clear, please do not use it near hospitals and schools. If you have any other questions, please consult our customer service!