Spytek refuses to refund me for a broken product

On 18 April 2015 I purchased a \Nanny Cam"from Spytek (Salesman name is <br> John) for the sum of R1555. I could not test the product at their premises due to the area being load-<br> shedded. Upon trying to use the device at my house I noticed that the product did not function. The <br> following Monday (20-04-2015) I returned the product to John who made a note on the receipt <br> indicating that a full refund was due to me (R1555). <br> After numerous attempts to get my refund"