* Belong to one of the following items, are not within the scope of free warranty, even if the product is in the warranty period, our company will charge related fees.
(1) Human fault caused by user's wrong operation;
(2) The user disassembles, repairs or changes program by himself and caused problem.
(3) Other problems and faults caused by abnormal use (such as overload);
(4) Failure and damage caused by force majeure factors (such as fire, earthquake, snow and ice, lightning strike, flood, etc.).
For specific terms, please refer to our after-sales guidance document.