4K signal input. auto loop up to 30 screens with HDMI interfaces Switching between three picture modes: Monitoring. Meeting. and Movie Factory calibration for color and brightness uniformity Direct-lit LED backlight with uniform brightness and no boundary shadows 1920 × 1080 resolution. 178° viewing angle Extreme-narrow 0.88 mm bezel design Anti-glare. high definition. high brightness. high color gamut. and vivid images with rich colors Stable and 24-hour continuous working Metal casing for preventing from radiation and magnetic & electric field interference Wall-mount and modular brackets available to meet various installation requirements