Don’t know a ton about these but it works, power cable is included. There is no remote included and the following is an AI description. I took pictures of all serial numbers.

Enhance your TV viewing experience with this Samsung Set top Box DVR, Model SMT-H3270. This device allows you to record your favorite TV shows and movies to watch later at your convenience. With a multitude of connectivity options, including HDMI, you can seamlessly integrate this DVR with your existing AV setup.

This gently used Samsung Set top Box DVR is a versatile addition to your entertainment arsenal. It is compatible with a wide range of playable media formats, including DVR, and features a variety of connectivity options to ensure smooth operation. The device does not come with a remote, but it can easily be controlled using a universal remote or through the buttons on the device.