Adopted material that meet requirements, high reliability. High level of accuracy and sensitivity, enhance safety of your vehicle. Proper tire inflation improves fuel economy and tire wear as well as and stopping distances while reducing the risk of hydroplaning standard, directly replace your old or broken one. Storage and Operating temperature: -40C-+120C Signal strong and stable 't dropping line Item Name:Tire Pressure Sensor Part Number:DE8T-1A180-AA DE8T1A180AA Frequency:315MHZ Fitments: For Focus Escape Explorer Fusion Flex Edge For Navigator MKS For Mercury NOTICE: Please confirm the part number before purchase,and make sure our product the same with your. Installation guide not included, we strongly recommend you professional installation. Quantity:4PCS Colour:Black & Silver Material:Plastic+Metal Package Contents: 4 x Tire Pressure Sensor 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.