Product features: Bluetooth audio, high-definition display, custom app production, boot customization, multiple devices synchronized Using 1010RGB ultra-bright high-definition lamp beads, high brightness and rich colors Bluetooth chip, can connect to Bluetooth speakers with password and automatically match Cluster control Supports splicing of multiple units to form a larger screen Nylon + corrugated fiber material, high temperature resistance Top equipped with fixed chip memory card Multifunctional remote control, simple and easy to understand The app has rich functions, is equipped with a media library, and can be used for template production. Added a custom start-up function to prevent the machine from being out of reach and being hit by customers when it is turned on. Add wifi encryption settings to make security higher OTA online upgrade Model: PD45 Display diameter (MM): 450*450 Resolution: 2000*704 Number of lamp beads: 352 Rated power: 24W Power input voltage: 100-240W=V/AC 50-60Hz Power output voltage: 12V3A TF storage: 16G Bluetooth audio: support Video picture format: MP4//JPG/PNG Software support system: mobile APP/computer Brightness adjustment: support Angle adjustment: support Multi-station synchronization: supported Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Plug Type :EU Plug,it applies to Indonesia, Germany, France, Spain, Italy and so on. Voltage: AC100-240V Colour:Black Material:Nylon + corrugated fiber Package Contents: 1 x 3D Holographic Projector 1 adapter 1 x Remote control 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.