✓?Customer Service&Technicoal Support?PoE switches are rigorously tested for reliability, quality, and performance. We supply a year warranty for whole products and lifetime technical support. ✓?Unmanaged Plug-and-Play?Easy to use and simple set up with no software or configuration needed. Supports auto MDI/MDIX and Non-Blocking Data Forward. ✓?6KV Lightning Design?Protect the product and equipment not be damaged even in bad weather. Sturdy Metal Housing supports Desktop or Rack Mount in many different usage scenarios. ✓?VLAN Switch?PoE ports will be isolated respectively but can communicate with uplink port,Better Network Bandwidth up to 56 Gbps with higher Security. Ideal for PoE IP Camera, EAP, Access Point, IP Phone and other PD devices. ✓?28 Port Gigabit PoE+ Switch?Total Max 400W internal power budget, up to 30W per PoE port, add-on 2 gigabit uplink port, 2 SFP port. IEEE802.3af/at compliant, automatically detects and identifies PD devices.Support AI Watchdog intelligent detection. Automatically restart the disconnection devices to make operation and maintenance more easier.