1 , This Product only is suitable , and transportation tools such as light-duty automobile tyre of Yu Gelei etc and sports amuses self that the atmospheric pressure of equipment supplies 2 And please during Use pays attention to the following item : 2-1 Not let the direct Use of children regard as his toy or other utensil Use 2-2 Being pumpd up , the pump cannot casually be laid aside when work 2-3 The traffic and the safe region Use of other dangerous things should avoided 2-4 Avoid contacing to Shui Huo other liquid when Use 2-5 Requesting when the battery quantity of electricity is inadequate promptly changes the button cell of identical specifications The relation 1 of tyre and pressure and Suitable tyre pressure is very important in the normal safety going of highway to you