1. Material: metal+PC
2. Standard tire pressure: 2.4bar
3. Product features: The tire pressure warning cap is an auxiliary tool for measuring tire pressure. It locks the tire pressure cap on the tire valve and directly displays the color change in the transparent cover.
4. How to use: Unscrew the original air cap and screw on the tire pressure cap of this product. When it is not tightened or the tire pressure is insufficient, it will display red or yellow. After tightening, it will display green when the tire pressure is normal.
6. Size: 10x23xmm
7. Product weight: 32g

Dangers of insufficient tire pressure:
- The tires are soft and the contact area with the ground is too large, which increases fuel consumption.
- The tire contact surface deforms greatly, and over time, the curtains in Lu Liangniang's tire will become fatigued, affecting the service life.
The larger the contact surface will increase the possibility of puncture.

Instructions for use:
1. Normal: Under standard tire pressure, the transparent window should be green and the vehicle is driving normally.
2. Warning: The tire pressure is slightly lower than the standard by about 10 percent, and the transparent window is yellow-green. Inflate it in time.
3. Danger: The tire pressure is about 25 percent lower than the standard. The transparent window should be yellow. Check and inflate immediately.
4. If the air pressure of a tire is reduced by 15 percent, it will increase the fuel consumption of your car by 6 percent and double the tire wear, thereby increasing the risk by 30 percent.