No goods return channel

Should you have any questions or concerns, please feel free to contact us at *** or on (011) 337 – 5581 (T)// (011) 337 – 3913 (F) or by sending your concerns to us by post at P.O. Box 8112, Johannesburg, 2000. This info is not working. I have bought 2 ip cameras lately and both does not work and I have no way of returning it Wrote to email *** but it is returned. Phone nr does not work. This is a total *******