Specification: Operation system: Compatible with Android 9.0 Buffer memory(RAM): 1G Storage(ROM): 8G WiFi: 2.4G Projection technique: 3.5inch LCD TFT display Native resolution: 1024*600 Supported resolution: 1080P Color temperature: 8000K±(1000K) Brightness(Lumens): 2200 lumens(80 ANSI lumens) Contrast ratio: 1500:1 Image flip: 360 degrees flip Lens: 3 pieces glass lens Aspect ratio: 16:9 & 4:3 Throw ratio: 1.37 Keystone correction: Vertical ±15° Support 3D: NO Language: English, Chinese Bulb life: 50000 Hrs Lamp type: LED 60W Adjustment mode: Manual focus Operation mode: Button pannel and remote control Projection distance: 1.2-4m / 3.93-13.12ft Optimal projection distance: 1.68m / 5.51ft Projection size: 40-130 inch Speaker: 1*3W Fan noise: <25 dB Working voltage:  AC90-260V/50-60MHz Interface:  USB*1/High-Definition Multimedia Interface IN*1/AV IN*1/Headphone jack*1 Audio file: MP3/WMA/ACC Image file: JPG,BMP,PNG,support image scaling Video file: MP4/RMAB/AVI/RM/MKV Text reading: TXT Product size: 16.7 x 12.5 x 6.7cm/ 6.57 x 4.92 x 2.63in Color: Black'White Usage: Home theater, entertainment, early childhood education, video conference, online teaching Adapter: Power cord 1.2m / 3.93ft Power supply: AC 110-220V WiFi: Yes Fast boot: 3 Sec BT connection: Yes Net weight: 0.66kg / 23.28oz Plug type: US Plug, EU Plug, UK Plug, AU Plug (Optional) Packing List: 1 x Smart Projector 1 x Remote Control 1 x AV Cable 1 x Power Cord 1 x User Manual