4.Installation and operation.

Question: How about the after sale service
1. Do not hesitate to contact us anytime before and after your purchase, we are
committed to your 100% customer satisfaction. 

2. We back our commitment with superb service, 100% full money back and a customer
satisfaction guarantee.

 3. I am here and ready to assist you with any questions or concerns you might have before or after the
purchase. 

4. My goal is to make sure you are a happy customer and pleasant shopping with us.

 2.Refunds are based in the original purchase price. Shipping charges are not refundable.
3. Please notify us of any damages or defects within 3 days after received the packet.
 4. We are not responsible for the packages lost, stolen or damaged in transit,insurance is optional.
5. Incorrect or defective item: No extra charge, we will replace them and pay return shipping charges.
6.Buyer is responsible for the postage cost of returned, The item must be return in good condition with original packaging and accessories. We are not responsible for any lose of the returning item.
7. Please contact us before returning any item to obtain areturn authorization.