Nice condition. Everything in the picture is what’s included. I was able to locate the user manual on the Netgear website. Here are some details from that site:

TECHNICAL SPECS

Built-in high-speed DOCSIS® 3.0 32x8 channel bonding cable modem

Meets DOCSIS 3.0 specifications & backward compatible with DOCSIS 2.0 networks

REQUIREMENTS

System Requirements : Cable broadband Internet service

Please check your cable Internet service provider web site for data speed tier compatibility

Microsoft® Windows® 7, 8, 10, Vista®`, XP, 2000, Mac OS®, or other operating systems running a TCP/IP network

Microsoft® Internet Explorer® 5.0, Firefox® 2.0, Safari® 1.4, or Google Chrome™ 11.0 browsers or higher