1.Remote control/hand control

2.Tempered Glass/Acrylic material

3.10 more different size: 26x36cm, 30x40cm, 38x48cm, 40x60cm, 50x70cm, 60x80cm,100x80cm, 120x80cm, 100x53cm,90x43cm

4. frame: wood frame / New Luxury allu-alloy frame

5. can make 2 sided flash board