Feature 1Professional exhaust system control kit, universal for car use, wide range of applications. 2It can precisely control the work of the exhaust valve to make your car work in optimal condition. 3The remote control uses 2pcs 150mah CR2025 button batteries, long service life, and easy to replace. 4The installation is simple and does not require complicated operations, convenient for using. 5Manufactured according to the original production specifications, in line with strict quality standards.Item Type: Remote Exhaust Cutout Valve Material: Metal + Plastic + RubberRemote Control Battery Type: 2 x button batteries; model: CR2025; battery capacity: 150mah (included) .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Controller1 x Keychain1 x T-Type Adapter1 x Y-Type Adapter1 x Solenoid Valve2 x Remote Control6 x Hose Clamp1 x Vacuum Silicon Tube1 x Straight Adapter1 x Filter1 x Signal Wiring HarnessNoteProfessional installation is recommended.Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.