Product before use
1： Please check after receive the product, product appearance, type labels, parts kits, first power test, no problem on the machine
2：Once installed, we do not provide replacement.
3：7 days after the purchase, in the absence of the machine and the non-human premise, Return it to the dealer the same product replacement
4： If the machine or man-made cause product failure See aftermarket products.
5：Avoid using the product at high temperatures, rain environment.