- no driver is required for hub installation - operating temperature: 0-70¡ãc Packaging contents - 1 x usb 3.0 4 port hub - 1 x usb 3.0 type a to b cable - 1 x 5v/2a power adapter Packing detail: N.W: 5.5 kg G.W: 6.0 kg Qty/ctn : 20 pcs Ctn size: 32*28.5*25 cm