Features: 100% brand new and high quality Button / Indicator meaning: 1: Send the matching signal2: Low battery3: Start matching4: Matching complete ST-TP ResetV2-Terminator Functions:ActivationResetMatch How to use ST-TP ResetV2-Terminator? Ensure the vehicle is the TPMS Learn mode,and follow the service procedure.Hold tool against the sidewall of the tire,near the valve stem.Depress the button on the top of the device while holding the tool against the tire sidewall.When the car horn sounds, press the button below the device.The green LED indicates that the tool is transmitting. It has two WiFi buttons but they do not offer internet capability. They're just to turn the device on and off. It's a great tool that can detect and relearn (find) the location of sensors in case of a tire change ,rotation or sensor replacement. Package Includes: 1x Auto Tire Pressure Monitor Sensor Specifications: Material: ABS Size: Approx.6x15.3cm/2.36x6.02in note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.