Made of high-quality materials for maximum durability and reliability. Seamless fit, perfect fit for your car. Easy to install, no complicated tools required, easy to use. Professional workmanship, exquisite surface, novel and unique style Naturally aspirated electronic turbo pressure relief valve Turbine electronic pressure relief valve simulation sound electronic turbo Are you jealous of the awesome sound of a pressure relief valve installed on a turbo car? Are you worried that you can't install a pressure relief valve on a naturally aspirated car? Then we also want to have such a magical device, what should we do? Installation method: Connect the positive and negative poles to the power supply, Install the switch under the pedal (there is a bracket to fix it, which can be adjusted so that you can make a sound by stepping on the accelerator) Note: Installation guide not included, we strongly recommend you seek professional installation. Please check as much as possible to make sure the item is what you need. Bracket: random color , don't accept the specified color Colour:Red Material:ABS Package Contents: 1 x Universal Loud Horn Electronic Turbo Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.