The products in these categories are either out of the Demo stock of ETAS High-Tech Hardware Systems GmbH or they come from third parties, who offer those products at one4AV.
ETAS-certified products do have full manufacturer warranty.
For Products, which are offered from third parties, ETAS is just connecting seller and buyer. There is no warranty obligation from ETAS High-Tech Hardware Systems GmbH. In this case the condition of the product as well as all other infomation are provided by the third party and is mentioned in the individual product description.