1, the warranty period for the purchase of three years, one year replacement, three-year warranty, but the parts are not part of the scope of the warranty.

2, the product appears to cause damage to human or natural factors, not free warranty service, resulting in product damage to the maintenance of all the components of the cost should be borne by the customer;

3, the product does not have a customer to disassemble their own testing or repair parts, please do not disassemble their own customers;

4, the use of the product process, the abnormal situation, please contact the factory or agent;

5, the normal working voltage of all products is 12V, the deviation is + -3V, the customer if the connection exceeds the voltage should be installed or purchased before the instructions provided by our transformer or change the product operating voltage;

6, Division I for the regular manufacturer, all products are imported original parts and raw materials, do not accept our production of other decks or copied imitation products returned goods.