Product name:3D moving Frame Picture Model No.: HK-A4 Product size: 323X268mm (1) ABS Frame; (2)Both sides viewing; (3) 2-3images per viewing side; (4) Easy to insert and replace picture; (5) Coloured frame, and custom colour is available; (6) One AA size battery operation for 6-8 weeks; (7) For mounting or placing on flatness.