1. Projection technology: LCD 2. Physical resolution: 1920*1080P 3. Brightness: 400 ANSI lumens 4. Light source life: 20,000 H 5. Light source: LED 6. Contrast ratio: 2000:1 7. Throw ratio: 1.6:1 8. Uniformity: greater than 75% 9. Power consumption of the whole machine: 150W/LED: 100W 10. Speaker: 4 ohm 5W*2 11. Projection size: 50-150 inches 12. Projection distance: 1-6m 13. The original ratio of projection: 16:9 14. System: Android 6.0 system 1+8G 15. Keystone correction: electronic keystone correction 16. Interface: 1*HDMI input, 2*USB, 1*3.5mm audio output, 1*AV input, 1* power port 17. Built-in high-quality sound effects, stereo left and right channels, and sound cavity, you can experience cinema sound at any time 18. The stability is