BenQ RM7504. Display diagonal: 75" Working area: 64.9 x 36.5" (1649.7 x 927.9 mm) Display brightness: 450 cd/m². Operating system installed: Android Processor architecture: ARM Cortex A73 + ARM Cortex A53 Maximum internal memory: 8 GB. Speaker power: 40 W. USB Power Delivery up to: 65 W DisplayPort version: 1.2a. Product color: Black Panel mounting interface: 800 x 400 mm