OS: ViewBoard OS EDLAGPU: Rockchip RK3576Memory: 16GB LPDDRStorage: 128GB eMMCMicrophone: Beamforming array x 8, full duplex echo cancellationInternal Speakers: Soundbar design: 70W (25W x 2 + 20W x 1)HDMI 2.1 In: 4HDMI Out: 1VGA: 1DisplayPort: 1SPDIF: 1USB Type A: 5USB Type B: 2USB Type C: 3 (up to 65W Power Delivery)RS232: 1Ethernet LAN (RJ45): 2Intel® OPS Slot In (80-pin): 1Line In: 1Mic-In: 1Voltage: 100-240 VACConsumption (typical): 145WStand-by: <0.5WPhysical Controls: Power, Home, Back, Touch, Freeze, VOL-, VOL+Temperature: 32-104º F (0 - 40º C)Non-Operating Temperature: -4°F to 140°F (-20C to 60C)Humidity (non-condensing): 20-80%Altitude: 0 - 3000m above sea levelTip Detection: Dual tips: 2mm and 8mm | Finger: 10-15mm | Palm: 30mmOS Support: Windows 7/ 8/10/11, MacOS 10.8 or later, Linux kernel 3.5 or laterOther: Palm RejectionLatency: ≤5msTouch Points: Windows: 50, Android: 20Touch Technology: IR RecognitionNet (lbs): 57.01Gross (lbs): 69.69Net (kg): 25.86Gross (kg): 31.61Packaging (in.): 55.16x34.57x8.66Physical (in.): 49.99x31.08x3.3Packaging (mm): 1401x878x220Physical (mm): 1269.8x789.3x83.7VESA Compatible: 400 x 200 mmWarranty: 3-year limited warranty on parts, labor and backlight, onsite warrantyRecycle/Disposal: Please dispose of in accordance with local, state or federal laws.Package Contents: Display, Power Cord (3m), USB-C Cable (1.8m) Remote with battery, USB Touch Cable (3m), Stylus x 2, QSG + Compliance statement, RS232 adapter, Clamp x 5, Camera Plate, Screw x 8 (camera 2+2, wall mount 4), HDMI cable 3m, VB-WIFI-005 WiFi AdapterRegulations: CTUVus, FCC, Energy 8.0, EPEAT, CECEthernet LAN: (10/100/1000M) (USB Type-C & Android 10/100, PC 10/100/1000)Wifi: VB-WIFI-005 WiFi AdapterBluetooth: Bluetooth 5.2Screen Size: 55Backlight Life (Hours): 50,000Viewing Angles: 178º horizontal, 178º verticalDisplay Resolution: 3840 x 2160Response Time (Typical GTG): 6.5msAspect Ratio: 16:9Dynamic Contrast Ratio: 5,000:1Panel Surface: Anti Glare + Anti-Fingerprint, 9H Pencil hardness / 3.2mm thicknessLight Source: DLEDBrightness: 400 cd/m2Static Contrast Ratio: 1,200:1Refresh Rate: 60Hz