1.All copper motor ,22cylinder power ,second speed full 2. Simple operation, turn on the power, unscrew the valve, connect and fix the preset tire pressure, complete with one key 3.No need to charge, link the power supply is ready. 4.Three digital display operation functions, accurate digital display; Night vision pressure measurement/preset tire pressure/automatic charging stop. Embedded storage, say goodbye to tedious. 5.LED lighting, strong lighting effect, high brightness, durable
