1. Display diameter: 42cm supports WIFI mobile APP control 2. Memory card type: SD card 3. Video supported format: MP4 4. Video specifications: 3D video with black background 5. Video supports flat video 6. Play: Rotate display 7.Power: less than 12W 8.100~240V AC 50/60Hz 9. All formats supported: MP4, JPG, GIF 10. 224 lamp beads 11. Resolution: 760X234px Due to different batches, there may be differences in product appearance, color, and printed text, which not affect the use. Colour:Black Material:plastic+metal Plug Type: UK plug,it applies to Malaysia, the United Kingdom and so on. Voltage: AC230V Package Contents: 1 x 3D Holographic Projector 1 adapter 1 x 16GB memory card 1 x card reader Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.