Product: All-in-One Solution for Retail Spaces of All Kinds - ST4301K is the ideal digital display solution for small businesses and corporations. It brings together a wide variety of features that elevate the attractiveness of retail and corporate environments. Panel Technology: Screen Size: 55" | Backlight / Lightsource: D-LED | Active Area (Horizontal × Vertical) (mm): 1209.6 × 680.4 | Light Life (Typical) (hours): 30,000 | Display Orientation: Landscape / Portrait Auflösung | Brigt | Contr: Resolution (pixels): UHD 3840 x 2160 | Brightness (Typical) (nits): 350 | Contrast Ratio (Typical): 1200:1 Special Features: Android Built-In | USB and Micro SD Plug & Play | Wireless Solution for Seamless Collaboration | Flexible and Sleek Design | 4K2K UHD Unparalleled Clarity | Integrated X-Sign 2.0 Connectivity: VGA/Audio In x1 |DVI In x1 | HDMI In x2 | Display Port In x1 | USB Port (Type A) x3 (2.0) | Audio Out 1x | RS232 LAN Tools: RJ45 Port x1 Dimension | Weight: Dimension (WxHxD) (mm): 1243.2x714.0x69.6 | Bezel Width (Top / Bottom / Left / Right) (mm): 13.9 / 13.9 / 13.9 / 13.9 | Weight (Without / With Packing) (kg): 15.0/20.8 | Wall Mounting (VESA) (mm): 400x400 (4-M6) Optional Slot-In Products: NO - Built-in Android means that BenQ Smart Signage series is ready to work as soon as operators plug it in. There’s no need to hook it up to a PC |