DS-D5B55RB/A
55", 4K, Android 8.0, 4-core A73 × 2 + A53 × 2, 1.5 GHz, memory 3GB, build-in 32GB storage 20 points infrared touch contorl, industrial screen protection.Built-in Wi-Fi realizes wireless screen mirroring without any cable connection.Built-in interactive whiteboard system allows annotating and...