Item Type: 3D Hologram Fan Material: Plastic, Electronics Display Diameter (MM): Approx. 450 x 450mm / 17.7 x 17.7in Resolution: 2000x704 Number Of Lamp Beads: 352Pcs Rated Power: 24W Memory Card Storage: Has Built In 16GB Memory Card Video Image Format: MP4 AVI JPG PNG Software Support System: Cell Phone APP, Computer Bluetooth Sound: Support Wireless Casting: Not Support Brightness Adjustment: Support Angle Adjustment: Support Multiple Stitching: Support Timer Playback: Not Support Warranty: One Year Product Features: Bluetooth Sound, High Definition Display, App Custom Production, Boot Customization, Multiple Synchronization Applicable Voltage: 100-240V Battery Type: Remote Control Built In 145mAh CR2025 Button Battery (Included) Package List 1 x Advertising Machine Host 2 x Advertising Machine Blade 1 x Power Plug 1 x Remote Control 1 x Screwdriver 2 x Expansion Screw 10 x Screw 1 x Instruction Manual 1INTELLIGENT WIFI FUNCTION: Intelligent WIFI function, remote control screen switching, uploading video screen, splicing screen, cluster sharing attached remote control, simple switching internal content, support remote control. 2ULTRA HD RESOLUTION: Diameter 450x450MM, 2000x704 Ultra HD resolution, using high accuracy warm color LED light beads, the color is true and clear and brighter, so that the display screen texture is richer. 3SUPPORT SOUND VISUAL: Hologram fan WiFi projector supports sound image, so that the visual auditory double diversion, so that the picture texture is more shocking, so that the display is more sound and color. 4UNLIMITED SPLICING: 3D hologram fan supports unlimited splicing of large scale linkage sound visual, no boundaries in size, shocking display. Support Bluetooth connection sound playback, 3D layered appreciation. 524 HOURS OF BATTERY LIFE: Holographic LED advertising display can be plugged into the power supply 24H uninterrupted playback, external multiple fan heat holes, do not need to worry about the heat problem.