Features: Built-in for Android 6.0 system, Support WIFI, TF Card, USB. Suits for home, office, school use. Enjoy your vision and listening feast with your love via this projector. Convenient to use. Specifications: Projection Technology: DLP Display chip: TI 0.2' WVGA DMD Projector Features: Light brightness: 140 10W Light type: RGB-LED light Uniform brightness: 90 FOFO contrast ratio: 1000:1 Physical resolution: WVGA 854*480 Support for 3D functions DLP-LINK Projection Projection ratio: 1.2 Projection size range: 30 inches - 300 inches Projection distance: 1-6 meters Screen width ratio: 4:3, 16:9 Keystone: Supports automatic and manual Projection method: front projection, rear projection, and hanging System parameters CPU: MStar6A648 solution 4K Main frequency: Quad-core ARM Cortex-A53 CPU with up to 1.5GHz GPU: Mali T720mp2 Cache: 1G DDR3 Memory: 16GB eMMC Operating System: Android 6.0 Bluetooth: BT 4.2 external Bluetooth speaker, mouse, gamepad WIFI: 2.4G/5.0G dual band WIFI Remote control: Standard infrared remote control, support USB2.4G wireless remote control and mouse Power input parameters: 19V-2.1ADC Input support: USB, IR Interface: Expand storage, support TF card and SSD solid state drive USB: USB HOST 2.0*2 TF card: Maximum support 32G HDMI: Support for HDMI 2.0 input USB: Support u disk, mouse, keyboard access Headphone output: audio output, 3.5mm connector can be connected to headphones or stereo DCinput: Power adapter: DC19V 2.1A Electrical Specifications Machine power consumption: 20W Keystone Correction:None Plug Type:EU Plug , US Plug , AU Plug , UK Plug Package List: 1 x projector 1 x charger 1 x stand 1 x remote controller