LG 27MR400-B Monitor Size: 27 inches Resolution: Full HD (1920 × 1080) Refresh Rate: 100 Hz Response Time: 5ms (GtG) Connections: HDMI and VGA Gaming Features: Supports FreeSync to reduce tearing and has a Black Stabilizer mode that helps clarify details in dark areas. It has not been opened and nothing has happened to it. Clean and light use.