High-concerned chemicalNone Plug TypeEU Plug Switch TypeGigabit Switch VLANYes PackageYes Transmission Rate10/100/1000Mbps Switch Capacity12Gbps/16Gbps Communication ModeFull-Duplex& Half-Duplex Model NumberHi-S21-4GP2G/Hi-G0800GB-C Function: POE OriginMainland China Port4+2/8 port ColorGrey Managed typeWeb/APP,Not L2 Power Budget4 port 75W/8 Port 120W