TechnologyDLP Model NoM16 Available ColorGold Gray Display Chip DM 0.45'' DMD (WXGA) Lens: High Light Transmittance Coating Glasses Brightness Uniformity: 0.98 BrightnessInternational Standard 750 Ansi Lumens LED lamp life20000 hours (standard focus) Native resolution: 1280*800 (WXGA) Contrast ratio1000:1 NTSC120% Projection size: 20-300 inch Throw ratio1 ,2:1 Offset1 Keystone40 degree Electronic Keystone Correction Power AdapterDC 19V/3.42A Power50W Speaker3W*2 Input Port: USB2.0x2/HDMI 1/HDMI 2/Player TF card / RJ45 / SPDIF / 3.5mm earphone jack. AccessoriesUser Manualx1, Power Adapter x1, Power cablex1, Remote Controlx1. Processor CPU: MSD8 RAM: 1GB DDR3 EM ROM 8GB EMMC Operating System Based on Android 6.0 WiFi802.11ac WIFI, 2.4G/5G 3D Display Support TF32GB(Max) Bluetooth 4.2 Smart phone pushE-share