(1)Stainless steel/ aluminium alloy/ steel

(2)micro-control circuitry board,DC motor

(3) switch, ABS sucking,roller, lights

2.Characteristic

(1)Indoor/outdoor used, AC/DC used

(2)Can change 2-15 pictures

(3)Can adjust settle time from 1 to 99 seconds

(4)Can run 2-15 sets of light 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 control