... /outdoor used, AC/DC used(2)Can change 2-15 pictures(3)Can adjust settle time from 1 to 99 seconds ... boxes at the same time(5)Can run and change pictures stably 3.Advantage(1)Can match automatic power on/off ... (2)Automatic return pictures when power cut(3)Remove controlSize (overall)Size (visual)ScrollingSystemCasingSystemArea ...