ITEM NAME:Orange Black Pressure Monitoring Sensor EL-50448 Tire Pressure Resetter Nice Descriptio n Product description: Material: plastic Color: orange and black Size: 15.5 cm * 6.0 cm * 3.5 cm Operation steps: 1. Ensure the car is in TPMS learning state/mode 2. Follow the vehicle maintenance procedures, hold the device successively (front left, front right, back right, back left), aim at the side wall of the tire near the valve manhole (the air inlet) and press the reset button 3. At this time, the green LED light (TX light) will be on, which means that the signal is sent. When the car beeps, it means that the match is successful 4. Match other tires in turn Product list: tire pressure reset device *1 High quality buy, happy buyï ¼ Orange Black Pressure Monitoring Sensor EL-50448 Tire Pressure Resetter.Follow the vehicle maintenance procedures, hold the device successively (front left, front right, back right, back left), aim at the side wall of the tire near the valve manhole (the air inlet) and press the reset button.