Features: Solar power charging doesn't need to charge by connecting a car cigarette lighter. Colorful LCD Digital displaying, clear to show tire information. Rear-time monitoring pressure & temperature of 4 tires. Low air pressure/high-temperature alarm. High temperature / leakage / low battery alarm. Intelligent shock boot when car moving, don't need to turn on/off. New gravity acceleration algorithm, using the concept of stereo displacement awakening, data second dynamic update. The receiver/sensor adopts the vehicle gauge grade heat-resistant battery with, super long lifespan. With 4 external sensors, wireless connection, easy install. Specifications: External Sensor Parameters: Working Voltage: 3V Standby Current: <0.7uA Working Current: <8mA Temperature Measurement Accuracy: -20℃ - 50℃(+/-4℃) Working Temperature: -20℃ - 80℃ Pressure Measurement Range: 0-8Bar Waterproof Class: IP67 Battery Life: 2 Years / Replaceable TPMS Receiver Parameters: Working Voltage: 4.5V-6V Working Current: <=7mA Transmission Frequency: 433.92MHz (+/-0.1MHz) Receiving Sensitivity: <=-110dBm Working Temperature: -40℃ - +85℃ Screen: High-brightness 2.8 Inch Colorful Screen Material: ABS Plastic Color: Black + Golden Size: 87 * 55 * 25mm/3.4 * 2.2 * 1.0in Package Weight: approx.265g Package List: 1 * TPMS Receiver 4 * External Sensor 1 * Wrench 4 * Anti-theft Nuts 1 * USB Cable 1 * Adhesive Pad 1 * User Manual Setting method: 1. Twist the four-tire sensors first, and long-press the left and right buttons to restore the factory settings. 2. Short press the left button and press 8 times to enter the manual matching mode. Turn on the corresponding sensor according to the tire position displayed by the corresponding host. 3. After turning on the sensor, the host screen will display the value, and the other three tires will do the same. 4. After the operation is completed, the tire pressure values are displayed on all four tires. Press and hold the middle button to save and exit to return to the main menu. Warm Tips: - Ready Stock Product will Ship within 2 Days - Pre-Order Product will Ship within 7-14 Days - Not Sure If the Product Matches the Car Model, Please Consult Before Ordering. - If there is a problem with the Product, Please Contact Us Before Giving a Rate. - Cancel Only if the product has not been shipped. - Welcome to Use English or Chinese, Just Contact Us Through the Message Box. We will Send You More Details in English or Chinese. Thank you!! - The color of the actual items may slightly different from the listing images due to different displays.