Feature:

1. Add navigation function, which can realize indoor positioning of 1 meter.2. In order to meet the needs of mobile clients, it has lower power consumption and is compatible with older versions.

Description:Name: Built-in Wireless Tire Pressure MonitorColor: Black+SilverMaterial: ABS+metalSize: as shown

Packing list:4 x Built-in Wireless Tire Pressure MonitorNote:1. Due to manual measurement, please allow 1-3mm error. Make sure you don't mind before bidding.2. Due to the difference of different monitors, the picture may not reflect the actual color of the product. Thanks.