... ratio: 200:1 3. Built-in Flash: 1GB-8GB 4. Multimedia functions 5. Touch keypads Specifications:• Display technology: LCoS, 3M ... keypad, Remote control• Built-in small fan to cool Lens• Multimedia Function, built-in Video/Audio decoding function, play video/audio ... business demo: High Brightness, can reach 30LM (max): Worldwide Smallest Multimedia Projector, product size: 110 x 57 x 19mm, weight: 120g ...