Features: brand new and high quality The cigarette lighter is used to get electricity, plug and charge, the main unit does not have a battery, and there is no fear of explosion. Imported chip, anti-interference ability and accurate data, uninterrupted signal transmission, wireless radio frequency technology, stable and reliable signal. Low-pressure air leakage alarm, beware of accidents. High temperature and high pressure alarm, real-time monitoring, prevent tire blowout. Applicable to a variety of models. Reduce wear and tear and save fuel. Wireless transmission, one second collection. Specifications: Material:ABS Size:As Picture Shown Color:Black Note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1 Set Car Tire Pressure Alarm Monitor