... .0 slot, support DVDRW, USB, mouse, backup, burning, upgrade function. ◊ Strong Network server, support IE review and CMS(can manager over ... 500 units DVR) ◊ With Chinese, Russian, English, Italian, Portuguese, Spanish, ………… , Arabic, 25 language ... )Weight6.5 kg(NOT WITH HDD) Lonrun D1 H.264 DVR