Feature: 1. 5x10/100Mbps auto-sensing RJ45 ports, 4x10/100Mbps PoE ports, 1xUplink Ethernet port. 2. Can supply power to network surveillance cameras that with PoE function. 3. Supports port auto-flip (Auto MDI/ MDIX). 4. Maximum power of single PoE port: 15.4W. 5. Adopts store-and-forward architecture. 6. Features with fanless, natural cooling, small, compact and quiet design, suitable for desktop or wall. 7. Adopts store-and-forward architecture.Features with fanless, natural cooling, small, compact and quiet design, suitable for desktop or wall. 8. Supports port auto-flip (Auto MDI/ MDIX). Maximum power of single PoE port: 15.4W. Specification: 4-port PoE switch to transmit data and supply power for PoE devices, such as IP cameras, wireless AP, VoIP, etc. Standard IEEE 802.3af(15.4W) power supply for four PoE ports. Features: 5x10/100Mbps auto-sensing RJ45 ports, 4x10/100Mbps PoE ports, 1xUplink Ethernet port. Can supply power to network surveillance cameras that with PoE function. Supports port auto-flip (Auto MDI/ MDIX). Maximum power of single PoE port: 15.4W. Adopts store-and-forward architecture. Features with fanless, natural cooling, small, compact and quiet design, suitable for desktop or wall. Specifications: Standard: IEEE802.3af Consumption: 65W Power adapter voltage: Input AC 100V-240V PoE switch input: DC 44V-57V Network port: 1-4 port: 10/100Mbps PoE Ethernet Port; uplink port: 10/100Mbps Ethernet Port ​Transmission Distance: 0-100m Transmission media: Cat5/5e/6 standard network cable PoE power consumption: af≤15.4W Working temperature: 0℃-55℃ Storage Temperature:-20℃-70℃ Relative humidity: 20%-95% MTBF: >30000h Item size: 20 * 12 * 4cm / 7.87 * 4.72 * 1.57in Item weight: 624.7g / 22.04oz Package weight: 750g / 1.65Lb Package size: 22 * 17.5 * 5cm / 8.66 * 6.89 * 1.97in Package list: 1 * PoE switch 1 * Power adapter 1 * English User Manual Package List: 1 * PoE switch 1 * Power adapter 1 * English User Manual