[nkarataev]

Короче написал письмо в китайскую фирму, и вот ответ -

Dear sir,

Thank you for your coming letter and we really appreciate your attention on our products.

Here we attach the PDF file of our Groper A20 (it was called GY702 in the past), you could read the specification to check if they can meet your demands.

Here we offer you USD 4000 for one unit of Groper A20 by DHL and we will prepay the freight.Please note that price is worked out to the current day exchange rate, prices subject to chang without notice. However , this is our initail quotation for you, when it comes to nice order, we can discuss the details then.

Best regards.

Получается устройство все-же стоит 4000$ (с доставкой)....

Прикрепляю спецификацию...