The tire pressure supervisor can detect tire instant situation, pressure/temperature, battery level, and whether the battery is leaking. Solar powered, energy efficient, built in high quality solar lithium battery ,fast charging and long work duration. LED screen, can see the data clearly, working with the sound alarm, quick respond. Instant audio alarm, indicating abnormal pressure or temperature. Colour: Black Material: high -quality material Quantity: 1PCS Packing list: 1*Automobile solar energy It only includes the above packaging content, excluding other products. Note: Light reflection and different monitors may cause the color of the product to be slightly different from the real object. The measured error is +/- 1-3 cm.