Car Tire Valve Stem Caps 3 Color Alert Pressure Monitor Sensor Indicator 4 Pack. Product Name: Car Tire Valve Stem Caps. Material: Stainless Steel, Copper, Polycarbonate Cover. Dimensions: 23 × 10 mm. Features: Anti-Theft, Leak-Proof, Tyre Pressure Monitoring, Universal Fit. Three-Colour Warning System Provides Instant Tyre Pressure Status At A Glance, Helping Prevent Accidents. Precision Threaded Technology With Rotating Threads Ensures Superior Sealing, Dustproof And Waterproof. Upgraded Copper Core With Thickened Leak-Proof Seal Ring Delivers Enhanced Sealing Performance. High-Quality Transparent Pc Cover Allows Immediate Detection Of Any Tyre Pressure Abnorma. Standard Model Features Stainless Steel Construction For A Smooth, Rust-Resistant Finish. Suitable For: Cars, Saloons, SUVs, Vans, Commercial Vehicles, Light Goods Vehicles, Etc. The Size Is Measured Manually, There Is A Slight Error, Please Prevail In Kind. Due To Monitor Error, The Picture And The Actual Color Have A Slight Error, And Do Not Affect The Good Quality Of The Product. ARE ALSO AVAILABLE FOR ORDERS OF A LARGE SCALE. PLEASE CONTACT WITH US. According to your choice. Select your requirements from the drop down menu above. Please take a look at more great items offered in my store, and we do hope you enjoy your shopping experience.