• Perfect 4K resolution.
• Front audio stereophonic speaker.
• Industrial grade aluminium frame.
• Multiple signal input HDMI, SPDIF, RS232, AV I/O, Earphone.
• Infrared touch technology for rich writing experience.
• Password Lock protected.
• 400 cd/m² (±5%) high brightness.
• Built in Android OS, and windows 10 OS optional.
• 4mm protect glass and anti-scratch.
• 20 points touch, ≦5ms response