Putting your phone next to your pillow while sleeping is even more harmful. For example, radio waves
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How to choose Guided exhibit?
chuangjianxinboke
1. To ascertain whether your Guided show can be used outdoors or indoors, when it is inside, it is really an indoor Guided screen,indoor led display ， and outside is definitely an outside Guided exhibit.
2. To find out whether we must have single-colour or dual-colour or complete-color, whole-shade is actually a complete-color LED screen.
3. To determine the stage spacing, which is sometimes called P2.5, P6, P8, P10… How to determine the level spacing? This is a formulation: P = L / 1700, exactly where P will be the position spacing, in millimeters, L For that nearest observing range, the machine is mm which is, the Brought show of P1.6 would work for observing at a distance of 2.7m.
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