1. for the present similar center clearest product, the resolution may
reach 1600 x above 1200, suits the data to unfold and the high tech
demonstration. 2. boxes of types installments, simple are practical,
extremely rich time characteristic and then easy. 3. designs special,
the strut structure all hides to back, the whole is artistic, fine. 4.
motion 支腳 90, open the curtain box, opens the curtain surface
pulls needs the altitude.