All of our equipment has been pulled from working environments. We have tested all equipment to the best of our ability, some might be tested for power only if we do not have the ability to test further but it is stated in the listing if this is the case. You have 14 days from the day you receive the product to make any claims for a non-working item.  Please contact us directly through the EBay messaging as we will always take care of any issues. WE WILL NOT ACCEPT ANY RETURNS FOR COSMETIC REASONS, THESE ARE USED AND THE CONDITION IS DESCRIBED HERE. WE WILL HONOR ALL RETURNS FOR ANY MALFUNCTIONS.