1. Display technology: DLP (0.23 inch DMD) 2. Projection light source: RGB LED 3. The service life of the projection light source: more than 10,000 hours 4. Brightness: 200 lumens 5. Light type: LED 6. Resolution: 1080P (1092X1080P), support 4K 7. Projection size: 40-300 inches 8. Contrast ratio: 1000:1 9. Projection ratio: 1.2:1 10. 3D mode: support shutter 3D 11. Distortion: less than 1.26% 12. Uniformity: greater than 90% 13. Projection distance: 1m-8m 14. Projection aspect ratio: 4:316:916:10 15. Focusing mode: automatic focusing 16. Keystone correction: automatic, vertical: +-40 degrees 17. Projection mode: front projection, rear projection, ceiling projection 18. Same screen mirroring: EshareAirplayMiraCast 19. Scheme: RK3368 20. Basic frequency: 8-core, 64-bit, Ar53 core, 1.5G 21. Processor: G6110 GPU 22. Running memory: 2GB DDR3 23. Built-in storage: 16GB 24. WIFI: dual frequency 2.4G5G, 802.11abgn ac 25. Bluetooth: BT5.0 (TBD) 26. Bluetooth audio mode: one-key switch, (the projector is on the screen, the projector can be used as a Bluetooth audio) 27. Built-in battery capacity: 7.4V 4000MAH 28. Interface: HDMI X1, USB X2, 3.5 headphone output X1, DC input 15V3A 29. Unique cylindrical appearance, with touch module, can be operated by hand touch, remote control, mouse, etc. 30. Built-in battery, can last for 1.5 hours, built-in 3W speaker, experience high-quality music anytime, anywhere 31. The size of the projection screen can be adjusted at will, zooming in the same proportion, without moving the machine, you can directly use the remote control to operate 32. It can be adjusted to the Bluetooth speaker mode, the projector screen is off, and the projector can be used as a Bluetooth speaker 33. The auto focus function is not only convenient to use, but also more technological, which solves the needs of users 34. With off-axis function, it can be placed