Designed for Educational Industry, perfectly compatible with various software platforms *Exquisite appearence (Gold and silver color aluminium alloy frame with drawing process) *The settings of key interface is downward to prevent external equipment damaged when using blackboard *All-in-one (interactive whiteboard, dust-free writing,wireless MIC, OPS PC, centralized and center system, power amplifier, speaker etc.) *10 screen hotkeys to make teaching more convenient and fast *10 points IR touch technology *Windows/Android dual OS *Automatic eye-protection *Teaching Software *Easy to maintain (touch screen preposition maintain )