Feature: 1. The projector uses wear resistant coated glass and high quality LED bulbs to ensure that the screen is bright, stable, and has a service life of up to 20,000 hours. Even if the projector is placed obliquely, it can be automatically adjusted in multiple angles, and the final result is a standard square picture. 2. Mini portable projector, which can be used at home, office, and outdoors. It adopts a notebook pressure sensitive touchpad, which is easy to operate, sensitive and fast, and has no lag. The infrared remote control is not slippery and comfortable to hold in the hand, and can be controlled in multiple directions and angles. 3. The high‑definition input interface synchronizes the computer screen to the large screen, which is convenient for entertainment sharing and conference presentations. A variety of screen sizes, the projection screen is 33.5"at1m, the projection ratio is 1.35:1, how large the size of the background, how much display the size of the movie. 4. Using 2.4G/5G AC WIFI, the transmission is stable and does not freeze, effectively avoiding signal interference, and smoothly playing 4K high definition movies. Under the same WIFI, the projector can be connected other devices through the "Eshare" APP to realize screen projection. BT 5.0 function, the projector can play music when connected to a BT speaker. 5. With the latest operating system for Android 9.0, the projector is based on the system for Android OS 9.0 to customize the desktop for a larger screen. You can also download various APPs at will. Support 3D, use DLP-Link 3D projector's active shutter 3D glasses (need to buy by yourself), you can enjoy a cinema level 3D feast at home. Specification: Item Type: Mini Projector Material: ABS + Aluminum Alloy Color: Grey Built-in Battery Capacity: Built-in 3000mAh Lithium Battery Remote Control Battery: AAA Battery x 2 (Battery Not Included) Power Adapter: DC 5V 3A Display Technology: DLP(0.2in DMD) Projection Light Source: RGB LED OSRAM Q6 Projection Light Source Service Life: Up To 20,000 Hours Brightness: 55 ANSI lm Lamp Type: LED Resolution: WVGA 854 x 480 Projection Size: 30 -120 Inches Contrast Ratio: 500:1 Throw Ratio: 1.35:1(33.5"at1m) Distortion: <1.0% Uniformity: >85% Projection Distance: Approx. 1-5m / 3.28-16.4ft Projection Aspect Ratio: 16:10 Focus Mode: Manual Focus Trapezoid Correction: Manual, Vertical: ±45 Degrees, Horizontal ±40 Degrees Projection Role: Interaction Projection Mode: Orthographic Projection Off-axis Function: Not Supported 3D: Support Same Screen Mirroring: For Airplay/For Miracast System: For Android 9.0 Cpu: Quad-core ARM Cortex-A55 CPU Processor: ARM Mali-G31 MP2 GPU Running Memory: 2GB LPDDR4 Built in Storage: 16GB WIFI: 2.4G/5G 802.11a/b/g/n/ac Bluetooth: BT 5.0 Video Format: VP9-10, H.265, H.264, MPEG-4, WMV/VC-1, MPEG-2, MPEG-1, RealVideo 8/9/10 etc. Music Format: MP3, WMA, MP2, OGG, AAC, M4A, MA4, FLAC, APE, 3GP, WAV Picture Format: Support Multiple Picture Format Browsing (jpg, png, bmp, etc.) Extended Storage: Support TF Card and Hard Disk Built-in Speaker: 1W Speaker Optical Machine Power Consumption: 3W Whole Machine Power Consumption: 5W Usb: USB2.0 Memory Card: Support Up To 32G(Not Included) High-Definition Multimedia Interface: High Definition Multimedia Interface 1.4 (High Definition Multimedia Interface A Type To High Definition Multimedia Interface C Type)Headphone Audio Output: 3.5mm Connector (Headphones or Speakers Can Be Connected) Applicable Scenarios: Suitable for Family, Work, Business or Entertainment. Package List: 1 x Projector1 x Power Cord1 x Adapter1 x High Definition Multimedia Interface Cable (High Definition Multimedia Interface A Type to High Definition Multimedia Interface C type)2 x High Definition Multimedia Interface Cable Plug Protection Cover1 x Bracket1 x Remote Control1 x Manual Note: 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.