1, the project will be tested before ship, it will be in good condition, if you have some questions, feel free to
2, guarantee the 30 day, 7 days return the non-working items, in addition to the broken, the goods crashed.Cargo is
wrong version buyer pay return shipping charges.
3, please confirm before ordering the item is compatible with the model.No return for incompatible problem.
4, goods not buyers pay for return shipping charges.Before buying please professional consulting, we would be the
biggest sincerity to service.
5, if signed, or delete, no warranty.
Thank you very much!\
Wireless communication: Wire Control
Model number: 6ES7 211-1HE40-0XB0