LED lamp, 50000 hours lifespan Projection distance 0.9-4.2 meters Rated frequency 50/60 Hz Aspect ratio 16:9 / 4:3 2000 Lumens 120 ANSI Contrast ratio 1000:1 1GB RAM + 8GB ROM Image size 30-150 inches Throw ratio 1.33:1 Rated power 55W 3W * 1 speaker Bluetooth 5.0 - 2.4GHz Wi-Fi