Viewsonic TD2423. Display diagonal: 59.9 cm (23.6"), Display brightness: 250 cd/m², HD type: Full HD. Product colour: Black, Glass thickness: 1.85 mm. Touch technology: Multi-touch, Touchscreen technology: Infrared, Touchscreen type: Multi-user. Tilt angle range: 22 – 38°, Panel mounting interface: 100 x 100 mm, Cable lock slot type: Kensington. Energy efficiency class (SDR): D, Energy consumption (SDR) per 1000 hours: 14 kWh, Power supply type: AC