This Datavideo TLM-702HD monitor offers two 7-inch HD/SD TFT LCD screens. Note that it doesn't come with a power supply. There are a few visible marks on the screens, but it still provides a good display experience.

To use this Datavideo TLM-702HD monitor, you'll need to connect it to an external power source since it doesn't have a power supply. First, check the connections between your device and the monitor. Once connected, turn on your device and the monitor should display the content. Be aware that there are a few marks on the screens, but they shouldn't affect the overall viewing too much. When not in use, store the monitor in a dry and clean place. You can use a soft, dry cloth to clean the screens gently to keep them in good condition.