details of product

The descriptions for this product are taken directly from Amazon so don't blame me for bad English or misspellings. The prices you see are what I am asking for each item.
Item: Htfoevrxs Industrial 5-Port Gigabit Switch, DC12-48V Input, 10/100/1000Mbps, DIN-Rail and Wall-Mounted IP40, Security Monitoring/Communication/Data Transmission (IMC05G)
Date Received: 11/8/2025
Item Price: $41.90
My Price: $31
Amazon Link: Amazon link; link opens in a new tab
Item Description: [𝐈𝐧𝐩𝐮𝐭𝐬 𝐃𝐂 𝟏𝟐 - 𝟒𝟖𝐕 𝐒𝐰𝐢𝐭𝐜𝐡]: Supports 12 - 48V wide voltage DC input for power redundancy. Mini Industrial 5-Port 10/100/1000T Gigabit Ethernet Switch with 12~48VDC wide range power input.
[𝟓 𝐏𝐨𝐫𝐭𝐬 𝐆𝐢𝐠𝐚𝐛𝐢𝐭 𝐒𝐰𝐢𝐭𝐜𝐡]: Provide 4 10/100/1000 Mbps RJ45 ports and 1 gigabit uplink. Supports auto - negotiation and 10/100Mbps half/full duplex and 1000Mbps full duplex.
[𝐃𝐈𝐍-𝐑𝐚𝐢𝐥 𝐚𝐧𝐝 𝐖𝐚𝐥𝐥-𝐦𝐨𝐮𝐧𝐭𝐞𝐝]:Support both rail installation and wall-mounted installation methods, which saves space and keeps the environment clean and tidy.
[𝐈𝐏𝟒𝟎 𝐀𝐥𝐮𝐦𝐢𝐧𝐮𝐦 𝐂𝐚𝐬𝐞]: Provides a high level of immunity against electromagnetic interference and heavy electrical surges. Being able to operate under the temperature range from - 40°F to 167°F.
[𝐀𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧 𝐒𝐜𝐞𝐧𝐚𝐫𝐢𝐨𝐬]: Building local area networks, remote monitoring, industrial automation, intelligent agriculture, logistics transportation, security monitoring, VoIP communication, and connecting display devices, etc.