This item isSome parts of the bears that have received the inventory may have been in stock for a long time, the outer packaging is not good or the battery power is not sufficient, This gift model originally from a Japanese car brand is: COTCI-DT601, each weighing 18.8 grams, it is convenient to hang on the key, and the size is small. Because this may be a gift, the market has not seen other companies selling , There will be no more stock when sold out, buy one and hang it on the key（Before hanging, check each iron ring on the chain closely to see if there is a gap, and look for a tool to pinch tightly to avoid loss）It is very convenient to take a test when running a long distance or when it is hot.
Each one has such a small package, and it is such a small thing that is about 7 cm long.
The package is just a small carton, there is no manual inside, and it is easy to use. Press the switch in the middle and it will display a starting value of 188.8 and then it will become 0.0PSI. Press the valve on the tire and you can see it after a while. The value of the tire is up, because this gift may be originally given to foreigners, only the count of PSI Pascal can be displayed（It is a unit used by European and American countries to express the standard inflation pressure of tires）1bar=14.5PSI, generally the door is marked with ***Kpa: Example: 210Kpa=2.1bar=（2.1kg / cm2）. The recommended value of the air pressure of the car factory can usually be found in the following places: the vehicle user manual, the label next to the cab door (near the B-pillar), the drawer next to the vehicle driver''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''''s seat, and the small door of the fuel tank cap.（The tire pressure recommended by the car factory refers to the cooling tire pressure, pay attention to the distinction）Generally, a car with 35-40PSI is the most comfortable. Xiao Xiong used him to measure his car and compared it with the wireless tire pressure value on the car. It was still very accurate.
The physical picture is as follows, the front of the product. , The oval in the middle is the switch button
On the back of the product, push back in the direction with small dots below to remove the cover and replace the battery.
The actual product is like this. Remove the battery back cover, you can see the button battery.
Remove the two screws on the back, you can take it apart and take a look,
Internal workmanshipAfter removing the bottom case, there are still 6 screws inside. After removing the six screws, the motherboard can be removed.
It looks like this after dismantling.
On the front of the motherboard, there is a small LCD in the middle to display the value, and the air pressure detection chip on the top.
canIt could be the reason for the gift, the chip is packaged in a cheaper way.
Picture of the back of the motherboard.
Picture of the front of the motherboard
Useful, you can buy it and just pick it up, and it’s good for driving safety if you check it while driving.
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