VLAN isolation function, built-in distance enhancement mode, the maximum transmission distance from to POE camera is 250 . Built-in power supply, it will not burn the device and use it with .The connection is stable and not stuck, preventing crosstalk problems in data transmission, reducing external interference, and greatly improving network stability. Transmission high-speed forwarding, and practical. Metal case, sturdy and durable. Product name: 8-port 100M PoE+2-port 100M unmanaged switchTransmission distance: 250 Terminal description: 10 10/100Mbps -adaptive RJ45 ports ( /MDIX)Support protocol: support IEEE802.3at standard, compatible with IEEE802.3af standard; PoE Ports: 8 PoE portsWorking environment Temperature: 0~45, Humidity: 10~90% (no condensation) Power supply: 100~240V/50~60HzPlug Type: US Plug, it applies to Canada, , Mexico, Thailand, Taiwan, the , the Philippines and so on. Colour:blackMaterial:MetalPackage Contents:1 x Switch1 CableOnly the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.