TFT LCD imaging unit Use: Home theater, business and education, etc. Transportable: Indeed Lumens of brightness: 650 ANSI 3000:1 contrast ratio Dimensions: 1920 x 1080 LED lamp Lens: HD Coating Lens, Electric/Automatic System of Operation: Android 9 1920*1080P/4K resolution; image size range: 50-200 inches Ratio of projection: 1.25:1 Auto-focus is the focus mode. Machine power total: 145W (MAX) Voltage input: 100V–240V, 50/60Hz Interface: RJ45, HD/AV/AUX, USB*2 Keystone correction: Auto Keystone + Electron Trapezium ±45 Vertical/Horizontal Installing a projector: front, rear, or hanging Language: Assistance Lamp Life in 23 Languages: 20,000 Hours Dimensions: 28x28x10 cm 2.5 kg in weight