The Hikvision 4-Ports 100Mbps Unmanaged PoE Switch (model DS-3E0105P-E) offers a range of features designed for efficient networking, particularly in surveillance applications. Here are the key features:

• PoE Ports: It includes 4 PoE ports, each supporting 100 Mbps data transfer, allowing for simultaneous power and data transmission to connected devices like IP cameras.
• Uplink Port: The switch also has 1 additional 100 Mbps uplink port for connecting to higher-level network devices, enhancing connectivity options.
• Power Standards: Compliant with IEEE 802.3af/at standards, it can deliver up to 30 watts per port, making it suitable for various PoE-enabled devices.
• Extended Transmission Distance: Supports an extended transmission distance of up to 250 meters, which is beneficial for installations where devices are located far from the switch.
• Surge Protection: Equipped with 6 kV surge protection, ensuring the safety and reliability of connected devices against electrical surges.
• Non-blocking Design: Features a wire-speed forwarding and non-blocking design, providing efficient data handling without packet loss.
• Fan-free Operation: The switch operates without a fan, resulting in a quieter performance and reduced maintenance needs.
• Robust Build: Constructed with a solid high-strength metal shell, ensuring durability and longevity in various environments.

These features make the Hikvision 4-Ports Unmanaged PoE Switch an excellent choice for users looking to expand their network capabilities efficiently and reliably.