I will test and take a video for the whole testing process before send out every unit, you can buy at ease without worrying about quality problems, if need the video in the future, you may contact me to get it, every unit sent out has it's own mark to avoid error.

Now is in special time, all people know the reason, the transport speed is slower than normal, i can send out the goods within 2 days, but no method to control the transport speed, if you must receive the goods in a short time, please contact me first for a price of express shipping method.

To Brazil customers: Please leave CPF number for shipment to pass customs.

To Europe customers: Please pay customs duties to pass customs, even if only pay a small amount.